image image | question string | choices sequence | answer class label | hint string | task string | grade string | subject string | topic string | category string | skill string | lecture string | solution string |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Not supported with pagination yet | Which figure of speech is used in this text?
Sing, O goddess, the anger of Achilles son of Peleus, that brought countless ills upon the Achaeans.
—Homer, The Iliad | [
"chiasmus",
"apostrophe"
] | 11 | closed choice | grade11 | language science | figurative-language | Literary devices | Classify the figure of speech: anaphora, antithesis, apostrophe, assonance, chiasmus, understatement | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
Anaphora is the repetition of the same word or words at the beginning of several phrases or clauses.
We are united. We are powerful. We are winners.
Antithesis involves contrasting opposing id... | The text uses apostrophe, a direct address to an absent person or a nonhuman entity.
O goddess is a direct address to a goddess, a nonhuman entity. | |
Which of the following could Gordon's test show? | [
"if the spacecraft was damaged when using a parachute with a 1 m vent going 200 km per hour",
"how steady a parachute with a 1 m vent was at 200 km per hour",
"whether a parachute with a 1 m vent would swing too much at 400 km per hour"
] | 11 | People can use the engineering-design process to develop solutions to problems. One step in the process is testing if a potential solution meets the requirements of the design.
The passage below describes how the engineering-design process was used to test a solution to a problem. Read the passage. Then answer the ques... | closed choice | grade8 | natural science | science-and-engineering-practices | Engineering practices | Evaluate tests of engineering-design solutions | People can use the engineering-design process to develop solutions to problems. One step in the process is testing if a potential solution meets the requirements of the design. How can you determine what a test can show? You need to figure out what was tested and what was measured.
Imagine an engineer needs to design a... | ||
What is the name of the colony shown? | [
"Maryland",
"New Hampshire",
"Rhode Island",
"Vermont"
] | 11 | closed choice | grade5 | social science | us-history | English colonies in North America | Identify the Thirteen Colonies | The colony is New Hampshire.
During the colonial era, New Hampshire and New York both claimed the territory that would later become the state of Vermont. Vermont was never its own colony. | |||
Not supported with pagination yet | Would you find the word dozen on a dictionary page with the following guide words?
daddy - definition | [
"no",
"yes"
] | 00 | yes or no | grade7 | language science | reference-skills | Reference skills | Use guide words | Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order.
To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let... | Put the words in alphabetical order.
Since dozen is not between the guide words daddy - definition, it would not be found on that page. | |
Not supported with pagination yet | Which word would you find on a dictionary page with the following guide words?
shot - suit | [
"service",
"stockade"
] | 11 | closed choice | grade8 | language science | reference-skills | Reference skills | Use guide words | Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order.
To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let... | Put the words in alphabetical order.
Since stockade is between the guide words shot - suit, it would be found on that page. | |
Which of these organisms contains matter that was once part of the lichen? | [
"bilberry",
"mushroom"
] | 11 | Below is a food web from a tundra ecosystem in Nunavut, a territory in Northern Canada.
A food web models how the matter eaten by organisms moves through an ecosystem. The arrows in a food web represent how matter moves between organisms in an ecosystem. | closed choice | grade5 | natural science | biology | Ecosystems | Interpret food webs II | A food web is a model.
A food web shows where organisms in an ecosystem get their food. Models can make things in nature easier to understand because models can represent complex things in a simpler way. If a food web showed every organism in an ecosystem, the food web would be hard to understand. So, each food web sho... | Use the arrows to follow how matter moves through this food web. For each answer choice, try to find a path of arrows that starts from the lichen.
No arrow points to the bilberry. So, in this food web, matter does not move from the lichen to the bilberry. | |
Not supported with pagination yet | How long does it take to bake lasagna in the oven? | [
"33 minutes",
"33 hours"
] | 00 | Select the better estimate. | closed choice | grade2 | natural science | units-and-measurement | Units and measurement | Choose units of time | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
Imagine being told that the bus leaves in 7. You might be thinking, 7 what? Does the bus leave in 7 minutes? 7 seconds?
The number 7 on its own does not give you much information about when the... | The better estimate for how long it takes to bake lasagna in the oven is 33 minutes.
33 hours is too slow. |
Not supported with pagination yet | Which figure of speech is used in this text?
The salesperson tried hard to convince Franklin that the jacket was a good buy; after all, it was made of genuine imitation leather. | [
"hyperbole",
"oxymoron"
] | 11 | closed choice | grade11 | language science | figurative-language | Literary devices | Classify the figure of speech: review | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
Anaphora is the repetition of the same word or words at the beginning of several phrases or clauses.
We are united. We are powerful. We are winners.
Antithesis involves contrasting opposing id... | The text uses an oxymoron, a joining of two seemingly contradictory terms.
Genuine imitation is a contradiction, because genuine means real, and imitation means fake or synthetic. | |
Not supported with pagination yet | What do these two changes have in common?
compost rotting
a piece of apple turning brown | [
"Both are caused by cooling.",
"Both are only physical changes.",
"Both are caused by heating.",
"Both are chemical changes."
] | 33 | closed choice | grade4 | natural science | chemistry | Physical and chemical change | Compare physical and chemical changes | Chemical changes and physical changes are two common ways matter can change.
In a chemical change, the type of matter changes. The types of matter before and after a chemical change are always different.
Some chemical changes are caused by heating or cooling. For example, burning a piece of paper is a chemical change c... | Step 1: Think about each change.
Compost forms from the remains of plants and animals, such as vegetable scraps and egg shells. Compost rotting is a chemical change. As the compost rots, it breaks down and turns into a different type of matter.
A piece of apple turning brown is a chemical change. The apple reacts with ... | |
What is the expected ratio of offspring with a woolly fleece to offspring with a hairy fleece? Choose the most likely ratio. | [
"0:4",
"4:0",
"2:2",
"1:3",
"3:1"
] | 11 | This passage describes the fleece type trait in sheep:
The fleece, or outer coat, of a sheep is often cut off and used to make yarn for fabrics and other textiles. Woolly fleeces, which have shorter hairs, are usually used for clothing and blankets. Hairy fleeces, which have longer hairs, are usually used for carpets.
... | closed choice | grade8 | natural science | biology | Genes to traits | Use Punnett squares to calculate ratios of offspring types | Offspring phenotypes: dominant or recessive?
How do you determine an organism's phenotype for a trait? Look at the combination of alleles in the organism's genotype for the gene that affects that trait. Some alleles have types called dominant and recessive. These two types can cause different versions of the trait to a... | To determine how many boxes in the Punnett square represent offspring with a woolly fleece or a hairy fleece, consider whether each phenotype is the dominant or recessive allele's version of the fleece type trait. The question tells you that the F allele, which is for a hairy fleece, is dominant over the f allele, whic... | |
Which property do these three objects have in common? | [
"shiny",
"slippery",
"opaque"
] | 22 | Select the best answer. | closed choice | grade4 | natural science | physics | Materials | Compare properties of objects | An object has different properties. A property of an object can tell you how it looks, feels, tastes, or smells. Properties can also tell you how an object will behave when something happens to it.
Different objects can have properties in common. You can use these properties to put objects into groups. Grouping objects... | Look at each object.
For each object, decide if it has that property.
An opaque object does not let light through. All three objects are opaque.
A slippery object is hard to hold onto or stand on. The tortoise shell and the basketball are not slippery.
A shiny object reflects a lot of light. You can usually see your re... | |
Not supported with pagination yet | When World War I first started, what did many people believe? | [
"It would be one of the longest wars in history.",
"The war would be the first of two world wars.",
"The war would lead to the death of millions of Germans.",
"The war would be over quickly."
] | 33 | closed choice | grade4 | social science | world-history | 20th century American history | World War I: events of the war | World War I started in the summer of 1914. The two main sides of World War I were the Allied powers and Central powers. The table below shows the most important countries on each side at the beginning of the war.
Originally, many people believed that the war would be over quickly. The people on each side believed that ... | ||
Not supported with pagination yet | Using only these supplies, which question can Farid investigate with an experiment? | [
"Does a pie crust made with white flour burn more quickly when the pie is cooked in a glass pan or in an aluminum pan?",
"Do pie crusts made with white flour burn less quickly when covered with aluminum foil or when left uncovered?",
"Does a pie crust made with white flour burn more quickly than a pie crust mad... | 00 | Farid is baking a pie. He notices that the crust burns before the pie is fully cooked. He wonders what factors affect whether a pie crust will burn in the oven. So, he decides to design an experiment. He has the following supplies available:
ingredients for pumpkin pie filling
ingredients for apple pie filling
two pie ... | closed choice | grade8 | natural science | science-and-engineering-practices | Designing experiments | Identify questions that can be investigated with a set of materials | Experiments can be designed to answer specific questions. When designing an experiment, you must identify the supplies that are necessary to answer your question. In order to do this, you need to figure out what will be tested and what will be measured during the experiment.
Imagine that you are wondering if plants gro... | |
Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | [
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is smaller in Pair 1.",
"The magnitude of the magnetic force is smaller in Pair 2."
] | 22 | The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material, but some of them are different sizes and shapes. | closed choice | grade8 | natural science | physics | Velocity, acceleration, and forces | Compare magnitudes of magnetic forces | Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart. These pulls and pushes between magnets are called magnetic forces.
The strength of a force is called its magnitude. The greater the magnitude of the magnetic force between two magnets,... | Magnet sizes affect the magnitude of the magnetic force. Imagine magnets that are the same shape and made of the same material. The smaller the magnets, the smaller the magnitude of the magnetic force between them.
Magnet A is the same size in both pairs. But Magnet B is smaller in Pair 2 than in Pair 1. So, the magnit... | |
What is the capital of Wyoming? | [
"Phoenix",
"Baton Rouge",
"Honolulu",
"Cheyenne"
] | 33 | closed choice | grade4 | social science | geography | State capitals | Identify state capitals of the West | Cheyenne is the capital of Wyoming. | |||
Is the following statement about our solar system true or false?
The largest planet is made mainly of ice. | [
"true",
"false"
] | 11 | Use the data to answer the question below. | true-or false | grade6 | natural science | earth-science | Astronomy | Analyze data to compare properties of planets | A planet's volume tells you the size of the planet.
The primary composition of a planet is what the planet is made mainly of. In our solar system, planets are made mainly of rock, gas, or ice. | The table tells you that Jupiter is the largest planet and that Jupiter is made mainly of gas. So, the largest planet is made mainly of gas. | |
Which of the following organisms is the primary consumer in this food web? | [
"copepod",
"black crappie",
"bacteria"
] | 00 | Below is a food web from Little Rock Lake, a freshwater lake ecosystem in Wisconsin.
A food web models how the matter eaten by organisms moves through an ecosystem. The arrows in a food web represent how matter moves between organisms in an ecosystem. | closed choice | grade5 | natural science | biology | Ecosystems | Interpret food webs I | A food web is a model.
A food web shows where organisms in an ecosystem get their food. Models can make things in nature easier to understand because models can represent complex things in a simpler way. If a food web showed every organism in an ecosystem, the food web would be hard to understand. So, each food web sho... | Primary consumers eat producers. So, in a food web, primary consumers have arrows pointing to them from producers.
The rotifer has an arrow pointing to it from the green algae. The green algae is a producer, so the rotifer is a primary consumer.
The copepod has an arrow pointing to it from the golden algae. The golden ... | |
Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | [
"The magnetic force is stronger in Pair 2.",
"The magnetic force is stronger in Pair 1.",
"The strength of the magnetic force is the same in both pairs."
] | 11 | The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material. | closed choice | grade4 | natural science | physics | Magnets | Compare strengths of magnetic forces | Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart.
These pulls and pushes between magnets are called magnetic forces. The stronger the magnetic force between two magnets, the more strongly the magnets attract or repel each other.
You c... | Distance affects the strength of the magnetic force. When magnets are closer together, the magnetic force between them is stronger.
The magnets in Pair 1 are closer together than the magnets in Pair 2. So, the magnetic force is stronger in Pair 1 than in Pair 2. | |
Which better describes the Daintree rain forest ecosystem? | [
"It has year-round rain. It also has soil that is poor in nutrients.",
"It has cold winters. It also has many different types of organisms."
] | 00 | Figure: Daintree rain forest.
The Daintree rain forest is a tropical rain forest ecosystem in northeastern Australia. | closed choice | grade3 | natural science | biology | Ecosystems | Describe ecosystems | An ecosystem is formed when living and nonliving things interact in an environment. There are many types of ecosystems. Here are some ways in which ecosystems can differ from each other:
the pattern of weather, or climate
the type of soil or water
the organisms that live there | A tropical rain forest is a type of ecosystem. Tropical rain forests have the following features: year-round rain and warm temperatures, soil that is poor in nutrients, and many different types of organisms. So, the Daintree rain forest has year-round rain. It also has soil that is poor in nutrients. | |
What is the capital of Delaware? | [
"Montpelier",
"Trenton",
"Dover",
"Georgetown"
] | 22 | closed choice | grade3 | social science | geography | State capitals | Identify state capitals of the Northeast | Dover is the capital of Delaware. | |||
Not supported with pagination yet | Is the following trait inherited or acquired?
Sasha is good at knitting hats. | [
"acquired",
"inherited"
] | 00 | Hint: People who can knit had to learn how to do it. | closed choice | grade4 | natural science | biology | Traits and heredity | Identify inherited and acquired traits | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down through families. Children gain these traits from their parents. Inherited traits do not need to be learned.
Acquired traits are gained during a person's lif... | People are not born knowing how to knit. Instead, many people learn how to knit. Knitting well takes practice. So, knitting well is an acquired trait. |
Which of these states is farthest north? | [
"Maine",
"South Carolina",
"Kansas",
"Delaware"
] | 00 | closed choice | grade3 | social science | geography | Geography | Read a map: cardinal directions | Maps have four cardinal directions, or main directions. Those directions are north, south, east, and west.
A compass rose is a set of arrows that point to the cardinal directions. A compass rose usually shows only the first letter of each cardinal direction.
The north arrow points to the North Pole. On most maps, north... | To find the answer, look at the compass rose. Look at which way the north arrow is pointing. Maine is farthest north. | ||
Not supported with pagination yet | Which word would you find on a dictionary page with the following guide words?
imitate - iron | [
"itch",
"inherit"
] | 11 | closed choice | grade6 | language science | reference-skills | Reference skills | Use guide words | Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order.
To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let... | Put the words in alphabetical order.
Since inherit is between the guide words imitate - iron, it would be found on that page. | |
What can Greta and Allie trade to each get what they want? | [
"Greta can trade her tomatoes for Allie's sandwich.",
"Allie can trade her broccoli for Greta's oranges.",
"Allie can trade her almonds for Greta's tomatoes.",
"Greta can trade her tomatoes for Allie's broccoli."
] | 33 | Trade happens when people agree to exchange goods and services. People give up something to get something else. Sometimes people barter, or directly exchange one good or service for another.
Greta and Allie open their lunch boxes in the school cafeteria. Both of them could be happier with their lunches. Greta wanted br... | closed choice | grade6 | social science | economics | Basic economic principles | Trade and specialization | Greta wanted broccoli in her lunch and Allie was hoping for tomatoes. Look at the labeled part of the images.
Greta has tomatoes. Allie has broccoli. They can trade tomatoes for broccoli to both be happier. Trading other things would not help either person get more items they want. | ||
What is the capital of Colorado? | [
"Boulder",
"Phoenix",
"Colorado Springs",
"Denver"
] | 33 | closed choice | grade5 | social science | geography | State capitals | Identify the 50 state capitals | Denver is the capital of Colorado. | |||
Not supported with pagination yet | Would you find the word streak on a dictionary page with the following guide words?
serpent - skirt | [
"yes",
"no"
] | 11 | yes or no | grade4 | language science | reference-skills | Reference skills | Use guide words | Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order.
To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let... | Put the words in alphabetical order.
Since streak is not between the guide words serpent - skirt, it would not be found on that page. | |
Not supported with pagination yet | What do these two changes have in common?
butter melting on a hot day
mixing sand and water | [
"Both are caused by cooling.",
"Both are only physical changes.",
"Both are caused by heating.",
"Both are chemical changes."
] | 11 | closed choice | grade3 | natural science | chemistry | Physical and chemical change | Compare physical and chemical changes | Chemical changes and physical changes are two common ways matter can change.
In a chemical change, the type of matter changes. The types of matter before and after a chemical change are always different.
Some chemical changes are caused by heating or cooling. For example, burning a piece of paper is a chemical change c... | Step 1: Think about each change.
Butter melting on a hot day is a change of state. So, it is a physical change. The butter changes from solid to liquid, but it is still made of the same type of matter.
Mixing sand and water is a physical change. Adding water makes the sand wet. But both the sand and water are still mad... | |
Not supported with pagination yet | Select the plant. | [
"Oak trees can have thick branches.",
"Orcas swim in the ocean."
] | 00 | closed choice | grade2 | natural science | biology | Classification | Identify plants and animals | Plants and animals are living things. Living things are called organisms.
Plants come in many shapes and sizes. Most plants grow in the ground. They might grow leaves, flowers, and fruit. Plants cannot move around on their own like animals can.
Animals also come in many shapes and sizes. Most animals can move around. A... | An oak tree is a plant. It can have thick branches.
Acorns grow on oak trees. Acorns are small nuts with a seed inside.
An orca is an animal. It swims in the ocean.
Orcas are also called killer whales. They hunt fish and other animals that live in the ocean. | |
Not supported with pagination yet | Which phrase has a more positive connotation? | [
"a cowardly leader",
"a prudent leader"
] | 11 | closed choice | grade6 | language science | vocabulary | Shades of meaning | Positive and negative connotation | Connotation is the feeling or idea that goes along with a word or phrase. Some words are close in meaning but have different connotations.
For example, think about the words eager and impatient. They both mean wanting something to happen, but they have different connotations.
Eager has a positive connotation. It is a n... | A prudent leader has a more positive connotation. Prudent and cowardly both denote avoiding risks or danger. However, prudent suggests someone is wisely cautious, while cowardly suggests someone lacks bravery. | |
Which continent is highlighted? | [
"Africa",
"North America",
"South America",
"Asia"
] | 33 | closed choice | grade5 | social science | geography | Oceans and continents | Identify oceans and continents | A continent is one of the major land masses on the earth. Most people say there are seven continents. | This continent is Asia. | ||
Not supported with pagination yet | Would you find the word bruise on a dictionary page with the following guide words?
blush - buffalo | [
"no",
"yes"
] | 11 | yes or no | grade7 | language science | reference-skills | Reference skills | Use guide words | Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order.
To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let... | Put the words in alphabetical order.
Since bruise is between the guide words blush - buffalo, it would be found on that page. | |
Not supported with pagination yet | What is the temperature of the air on a cold, rainy day? | [
"45°C",
"45°F"
] | 11 | Select the better estimate. | closed choice | grade6 | natural science | units-and-measurement | Units and measurement | Estimate temperatures | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
Temperature can be written with units of degrees Fahrenheit (°F) or Celsius (°C). Use the list below to compare the two units.
212°F | Water boils | 100°C
98.6°F | Body temperature | 37°C
68°F ... | The better estimate for the temperature of the air on a cold, rainy day is 45°F.
45°C is too hot. |
Not supported with pagination yet | Select the reptile. | [
"Chinese alligator",
"California toad",
"grass frog",
"eastern newt"
] | 00 | closed choice | grade5 | natural science | biology | Classification | Identify mammals, birds, fish, reptiles, and amphibians | Reptiles have scaly, waterproof skin. Most reptiles live on land. | A Chinese alligator is a reptile. It has scaly, waterproof skin.
Alligators live in and around water. They can live near ponds, rivers, marshes, and lakes.
An eastern newt is an amphibian. It has moist skin and begins its life in water.
Some newts live in water. Other newts live on land but lay their eggs in water.
A g... | |
Not supported with pagination yet | What does the metaphor in this text suggest?
All religions, arts, and sciences are branches of the same tree.
—Albert Einstein | [
"All religions, arts, and sciences are distant from one another.",
"All religions, arts, and sciences are related."
] | 11 | closed choice | grade9 | language science | figurative-language | Literary devices | Interpret figures of speech | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
A metaphor compares two things that are not actually alike without using like or as.
The snow formed a blanket over the town. | The text uses a metaphor, comparing two things that are not actually alike without using like or as.
The metaphor all religions, arts, and sciences are branches of the same tree suggests that all religions, arts, and sciences are related. Those areas grow out of shared human motivations, just as the branches of a singl... | |
Identify the question that Chase's experiment can best answer. | [
"Do cardinals eat more seeds per visit from feeders containing sunflower seeds compared to feeders containing flax seeds?",
"Do cardinals visit feeders containing sunflower seeds more often than feeders containing flax seeds?"
] | 11 | The passage below describes an experiment. Read the passage and then follow the instructions below.
Chase set up five pairs of platform bird feeders around his yard. He filled one feeder in each pair with sunflower seeds and the other feeder with flax seeds. For one week, Chase watched cardinals visiting the feeders d... | closed choice | grade8 | natural science | science-and-engineering-practices | Designing experiments | Identify the experimental question | Experiments can be designed to answer specific questions. How can you identify the questions that a certain experiment can answer? In order to do this, you need to figure out what was tested and what was measured during the experiment.
Imagine an experiment with two groups of daffodil plants. One group of plants was gr... | ||
Which material is this path made of? | [
"plastic",
"brick"
] | 11 | closed choice | grade2 | natural science | physics | Materials | Identify materials in objects | A material is a type of matter. Wood, glass, metal, and plastic are common materials. | Look at the picture of the path.
The path is made of bricks. | ||
Select the bird below. | [
"cane toad",
"ostrich"
] | 11 | Birds have feathers, two wings, and a beak. A robin is an example of a bird. | closed choice | grade3 | natural science | biology | Classification | Identify mammals, birds, fish, reptiles, and amphibians | Birds, mammals, fish, reptiles, and amphibians are groups of animals. The animals in each group have traits in common.
Scientists sort animals into groups based on traits they have in common. This process is called classification. | An ostrich is a bird. It has feathers, two wings, and a beak.
The ostrich is the largest bird alive today. Ostriches cannot fly, but they can run very fast.
A cane toad is an amphibian. It has moist skin and begins its life in water.
Toads do not have teeth! They swallow their food whole. | |
Not supported with pagination yet | Which word does not rhyme? | [
"wife",
"hide",
"life"
] | 11 | closed choice | grade2 | language science | phonological-awareness | Rhyming | Which word does not rhyme? | Rhyming words are words that end with the same sound.
The words tip and slip rhyme. They both end with the same sound.
The words meet and treat also rhyme. They both end with the same sound, even though the sound has two different spellings.
The words tip and meet don't rhyme. They end with different sounds. | The words wife and life rhyme. They both end with the ife sound.
The word hide does not rhyme. It ends with a different sound. | |
Not supported with pagination yet | Select the temperature shown by this thermometer. | [
"100°F",
"125°F",
"65°F"
] | 00 | closed choice | grade3 | natural science | units-and-measurement | Weather and climate | Read a thermometer | A thermometer is a tool that measures temperature. Temperature can be measured in degrees. The symbol for degrees is °.
Some thermometers measure temperature in degrees Fahrenheit (°F). Fahrenheit is one scale used to measure temperature.
This is a tube thermometer. It has a tube filled with a red liquid.
There is a Fa... | Find the top of the red liquid.
Now look at the scale to the right. The top of the red liquid lines up with 100. So, the temperature is 100°F. | |
Which property do these three objects have in common? | [
"blue",
"hard",
"sticky"
] | 00 | Select the best answer. | closed choice | grade3 | natural science | physics | Materials | Compare properties of objects | An object has different properties. A property of an object can tell you how it looks, feels, tastes, or smells. Properties can also tell you how an object will behave when something happens to it.
Different objects can have properties in common. You can use these properties to put objects into groups. | Look at each object.
For each object, decide if it has that property.
A sticky object can attach or stick to other things. The toothpaste is sticky, but the soccer shorts and the water slide are not.
Blue is a color.
This color is blue. All three objects are blue.
A hard object does not change shape when pressed or squ... | |
Not supported with pagination yet | How long is a hiking trail? | [
"4 meters",
"4 millimeters",
"4 kilometers",
"4 centimeters"
] | 22 | Select the best estimate. | closed choice | grade7 | natural science | units-and-measurement | Units and measurement | Choose metric units of distance, mass, and volume | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
When you are using metric units, length can be written with units of millimeters, centimeters, meters, or kilometers. One meter contains 100 centimeters or 1,000 millimeters. So, 1 meter is lar... | The best estimate for the length of a hiking trail is 4 kilometers.
4 millimeters, 4 centimeters, and 4 meters are all too short. |
Not supported with pagination yet | Which word would you find on a dictionary page with the following guide words?
garage - goose | [
"guess",
"glow"
] | 11 | closed choice | grade2 | language science | reference-skills | Reference skills | Use guide words | Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order.
To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let... | Put the words in alphabetical order.
Since glow is between the guide words garage - goose, it would be found on that page. | |
Which of the following was a dependent variable in this experiment? | [
"the temperature of the heating pad",
"the number of days until a seed germinated"
] | 11 | The passage below describes an experiment. Read the passage and think about the variables that are described.
Kenneth wanted to grow cucumbers from seeds. He read that using a heating pad to heat up potting soil could help make seeds germinate, or sprout, faster. Kenneth wondered whether the temperature of the heating... | closed choice | grade6 | natural science | science-and-engineering-practices | Designing experiments | Identify independent and dependent variables | Experiments have variables, or parts that change. You can design an experiment to find out how one variable affects another variable. For example, imagine that you want to find out if fertilizer affects the number of tomatoes a tomato plant grows. To answer this question, you decide to set up two equal groups of tomato... | ||
What is the capital of Mississippi? | [
"Detroit",
"Jackson",
"Biloxi",
"Topeka"
] | 11 | closed choice | grade4 | social science | geography | State capitals | Identify state capitals of the Southeast | Jackson is the capital of Mississippi. | |||
Not supported with pagination yet | Based on this information, what is this pea plant's genotype for the stem height gene? | [
"HH",
"a tall stem"
] | 00 | In a group of pea plants, some individuals have a tall stem and others have a short stem. In this group, the gene for the stem height trait has two alleles. The allele H is for a tall stem, and the allele h is for a short stem.
A certain pea plant from this group has a tall stem. This plant has two alleles for a tall s... | closed choice | grade8 | natural science | biology | Genes to traits | Genetics vocabulary: genotype and phenotype | All organisms have pieces of hereditary material called genes, which are passed from parents to offspring. Genes contain instructions for building the parts of an organism. An organism's genes affect its observable traits, including its appearance, its behavior, and which diseases it may have. Genes may have different ... | An organism's genotype for a gene is its combination of alleles for that gene. The pea plant has two alleles for a tall stem (H). So, the plant's genotype for the stem height gene is HH. |
Which property matches this object? | [
"stretchy",
"blue"
] | 00 | Select the better answer. | closed choice | grade2 | natural science | physics | Materials | Identify properties of an object | An object has different properties. A property of an object can tell you how it looks, feels, tastes, or smells. | Look at the object.
Think about each property.
Blue is a color.
This color is blue. The melted marshmallow is not blue.
A stretchy object gets longer when you pull on it. The melted marshmallow is stretchy. | |
Not supported with pagination yet | According to Newton's third law, what other force must be happening? | [
"The wheelchair is pushing on Darnel.",
"The wheelchair is pulling on Darnel."
] | 00 | Isaac Newton was born in the 1600s and studied how objects move. He discovered three fundamental laws about forces and motion. According to Newton's third law, for every force, there is an equal and opposite force.
Consider the following force:
Darnel is pushing on his friend's wheelchair. | closed choice | grade6 | natural science | physics | Velocity, acceleration, and forces | Predict forces using Newton's third law | According to Newton's third law, for every force, there is an equal and opposite force. This means that if one object is applying a force on a second object, the second object must also be applying a force on the first object, but in the opposite direction.
For example, if your hand is pushing down on a table, the tabl... | Darnel is pushing on the wheelchair. So, Newton's third law tells you that the wheelchair is pushing on Darnel. |
Not supported with pagination yet | What is the temperature of a warm grilled cheese sandwich? | [
"55°F",
"55°C"
] | 11 | Select the better estimate. | closed choice | grade7 | natural science | units-and-measurement | Units and measurement | Estimate temperatures | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
Temperature can be written with units of degrees Fahrenheit (°F) or Celsius (°C). Use the list below to compare the two units.
212°F | Water boils | 100°C
98.6°F | Body temperature | 37°C
68°F ... | The better estimate for the temperature of a warm grilled cheese sandwich is 55°C.
55°F is too cold. |
Not supported with pagination yet | How long is a hiking trail? | [
"5 meters",
"5 kilometers"
] | 11 | Select the better estimate. | closed choice | grade3 | natural science | units-and-measurement | Units and measurement | Choose metric units of distance | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
Imagine being told that a pencil is 16 long. You might be thinking, 16 what? Is the pencil 16 centimeters long? 16 meters? 16 kilometers?
The number 16 on its own does not give you much informa... | The better estimate for the length of a hiking trail is 5 kilometers.
5 meters is too short. |
Is Rafflesia arnoldii made up of many cells? | [
"yes",
"no"
] | 00 | This organism is Rafflesia arnoldii. It is a member of the plant kingdom.
Rafflesia arnoldii has the largest flowers in the world. A single flower can be three feet wide! R. arnoldii is commonly called a corpse flower because the flower smells like rotting meat. | yes or no | grade4 | natural science | biology | Classification | Describe, classify, and compare kingdoms | In the past, scientists classified living organisms into two groups: plants and animals. Over the past 300 years, scientists have discovered many more types of organisms. Today, many scientists classify organisms into six broad groups, called kingdoms.
Organisms in each kingdom have specific traits. The table below sho... | Rafflesia arnoldii is a plant. Plants are made up of many cells. | |
What is the expected ratio of offspring with smooth fruit to offspring with fuzzy fruit? Choose the most likely ratio. | [
"3:1",
"2:2",
"1:3",
"4:0",
"0:4"
] | 33 | In a group of tomato plants, some individuals have smooth fruit and others have fuzzy fruit. In this group, the gene for the fruit texture trait has two alleles. The allele for smooth fruit (F) is dominant over the allele for fuzzy fruit (f).
This Punnett square shows a cross between two tomato plants. | closed choice | grade8 | natural science | biology | Genes to traits | Use Punnett squares to calculate ratios of offspring types | Offspring phenotypes: dominant or recessive?
How do you determine an organism's phenotype for a trait? Look at the combination of alleles in the organism's genotype for the gene that affects that trait. Some alleles have types called dominant and recessive. These two types can cause different versions of the trait to a... | To determine how many boxes in the Punnett square represent offspring with smooth fruit or fuzzy fruit, consider whether each phenotype is the dominant or recessive allele's version of the fruit texture trait. The question tells you that the F allele, which is for smooth fruit, is dominant over the f allele, which is f... | |
Not supported with pagination yet | What do these two changes have in common?
dry ice sublimating and becoming a gas
burning a marshmallow over a campfire | [
"Both are only physical changes.",
"Both are caused by cooling.",
"Both are caused by heating.",
"Both are chemical changes."
] | 22 | closed choice | grade7 | natural science | chemistry | Chemical reactions | Compare physical and chemical changes | Matter is made of very small particles called atoms. Atoms can be linked together by chemical bonds. When two or more atoms link together, they form a molecule.
In a chemical change, the chemical bonds in the molecules break. The atoms then link together to form different molecules. The types of molecules in matter bef... | Step 1: Think about each change.
Dry ice is solid carbon dioxide. When dry ice gets warm, it changes state and becomes carbon dioxide gas. This change of state, from solid to gas, is called sublimation.
Dry ice becoming a gas is a physical change. A change of state does not form a different type of matter.
Burning a ma... | |
Not supported with pagination yet | Which object has the most thermal energy? | [
"a meatball at a temperature of 139°F",
"a meatball at a temperature of 126°F",
"a meatball at a temperature of 111°F"
] | 00 | The objects are identical except for their temperatures. | closed choice | grade4 | natural science | physics | Heat and thermal energy | How is temperature related to thermal energy? | All solids, liquids, and gases are made of matter. Matter is made up of tiny particles that are always moving. The energy from the motion of these particles is called thermal energy.
Temperature measures how hot or cold matter is. If the particles in matter move faster, the temperature goes up. The matter now has both ... | All three meatballs have the same mass but different temperatures. Since the 139°F meatball is the hottest, it has the most thermal energy. |
Not supported with pagination yet | Which correctly shows the title of a book? | [
"***The Lion and the Mouse***",
"\"The Lion and the Mouse\""
] | 00 | closed choice | grade9 | language science | punctuation | Formatting | Formatting titles | The title of a book, movie, play, TV show, magazine, or newspaper should be in italics. If you write it by hand, it can be underlined instead.
A Midsummer Night's Dream
The title of a poem, song, article, or short story should be in quotation marks.
"You Are My Sunshine" | A book should be in italics.
The correct title is **The Lion and the Mouse**. | |
Not supported with pagination yet | Is this a run-on sentence?
Dust particles around nine nearby stars may have been caused by long-ago collisions between melting comets and asteroids. | [
"yes",
"no"
] | 11 | yes or no | grade12 | language science | writing-strategies | Sentences, fragments, and run-ons | Identify run-on sentences | A sentence is a group of words that expresses a complete thought.
The band I'm in has been rehearsing daily because we have a concert in two weeks.
A run-on sentence is formed when two sentences are run together, joined by just a comma or by no punctuation at all. If only a comma is used, the run-on is called a comma s... | This is not a run-on sentence. It is not formed from two sentences that have been run together without appropriate punctuation.
Dust particles around nine nearby stars may have been caused by long-ago collisions between melting comets and asteroids. | |
Which of the following could Cooper's test show? | [
"if at least 20% of the park would be shaded by trees in each design",
"which design would have the least traffic noise in the concert area",
"which design would have the greatest distance between the concert area and the road"
] | 22 | People can use the engineering-design process to develop solutions to problems. One step in the process is testing if a potential solution meets the requirements of the design.
The passage below describes how the engineering-design process was used to test a solution to a problem. Read the passage. Then answer the ques... | closed choice | grade8 | natural science | science-and-engineering-practices | Engineering practices | Evaluate tests of engineering-design solutions | People can use the engineering-design process to develop solutions to problems. One step in the process is testing if a potential solution meets the requirements of the design. How can you determine what a test can show? You need to figure out what was tested and what was measured.
Imagine an engineer needs to design a... | ||
Will these magnets attract or repel each other? | [
"repel",
"attract"
] | 00 | Two magnets are placed as shown. | closed choice | grade5 | natural science | physics | Magnets | Identify magnets that attract or repel | Magnets can pull or push on other magnets without touching them. When magnets attract, they pull together. When magnets repel, they push apart. These pulls and pushes are called magnetic forces.
Magnetic forces are strongest at the magnets' poles, or ends. Every magnet has two poles: a north pole (N) and a south pole (... | To predict if these magnets will attract or repel, look at which poles are closest to each other.
The south pole of one magnet is closest to the south pole of the other magnet. Like poles repel. So, these magnets will repel each other. | |
Not supported with pagination yet | Which type of sentence is this?
Mia is a competitive horseback rider, and she will be competing in the next World Equestrian Games, which are held every four years. | [
"compound-complex",
"compound",
"simple",
"complex"
] | 00 | closed choice | grade7 | language science | grammar | Phrases and clauses | Is the sentence simple, compound, complex, or compound-complex? | A clause is a group of words that contains both a subject and a predicate.
An independent clause is a complete thought that can stand alone as a sentence. A dependent clause (or subordinate clause) is not a complete thought and cannot stand alone as a sentence.
the oranges on our tree are ripe
The clause can stand alon... | The sentence is compound-complex. It is made up of two independent clauses and a dependent clause. The dependent clause begins with the relative pronoun which.
Mia is a competitive horseback rider, and she will be competing in the next World Equestrian Games, which are held every four years. | |
Not supported with pagination yet | Select the vertebrate. | [
"bull ant",
"red-kneed tarantula",
"chinchilla",
"comet moth"
] | 22 | Hint: Mammals, birds, fish, reptiles, and amphibians are vertebrates. | closed choice | grade4 | natural science | biology | Classification | Identify vertebrates and invertebrates | Vertebrates and invertebrates are both groups of animals.
A vertebrate has a backbone. The backbone is made of many bones in an animal's back. A vertebrate's backbone helps connect the different parts of its body. In the drawings below, each vertebrate's backbone is colored orange.
An invertebrate does not have a backb... | Like other tarantulas, a red-kneed tarantula is an invertebrate. It does not have a backbone. It has an exoskeleton.
A bull ant is an insect. Like other insects, a bull ant is an invertebrate. It does not have a backbone. It has an exoskeleton.
A chinchilla is a mammal. Like other mammals, a chinchilla is a vertebrate.... |
What is the capital of Connecticut? | [
"Hartford",
"Annapolis",
"New Haven",
"Dover"
] | 00 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the Northeast | Hartford is the capital of Connecticut. | |||
Not supported with pagination yet | Which object has more thermal energy? | [
"a cherry pie at a temperature of 100°F",
"a cherry pie at a temperature of 85°F"
] | 00 | The objects are identical except for their temperatures. | closed choice | grade3 | natural science | physics | Heat and thermal energy | How is temperature related to thermal energy? | All solids, liquids, and gases are made of matter. Matter is made up of tiny particles that are always moving. The energy from the motion of these particles is called thermal energy.
Temperature measures how hot or cold matter is. If the particles in matter move faster, the temperature goes up. The matter now has both ... | The two cherry pies have the same mass but different temperatures. Since the 100°F pie is hotter than the 85°F pie, it has more thermal energy. |
Not supported with pagination yet | Which tense does the sentence use?
Nicole learns about her ancestors in the book. | [
"future tense",
"present tense",
"past tense"
] | 11 | closed choice | grade5 | language science | verbs | Verb tense | Is the sentence in the past, present, or future tense? | Present tense verbs tell you about something that is happening now.
Most present-tense verbs are regular. They have no ending, or they end in -s or -es.
Two verbs are irregular in the present tense, to be and to have. You must remember their forms.
Past tense verbs tell you about something that has already happened.
Mo... | The sentence is in present tense. You can tell because it uses a present-tense verb, learns. The verb ends in -s and tells you about something that is true or happening now. | |
Not supported with pagination yet | What information supports the conclusion that Seth acquired this trait? | [
"Seth is most interested in plant biology.",
"Seth learned biology by doing experiments."
] | 11 | Read the description of a trait.
Seth knows a lot about biology. | closed choice | grade3 | natural science | biology | Heredity | Inherited and acquired traits: use evidence to support a statement | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down through families. Children gain these traits from their parents. Inherited traits do not need to be learned.
Acquired traits are gained during a person's lif... | |
Which ocean is highlighted? | [
"the Indian Ocean",
"the Atlantic Ocean",
"the Pacific Ocean",
"the Southern Ocean"
] | 00 | closed choice | grade8 | social science | geography | Physical Geography | Oceans and continents | Oceans are huge bodies of salt water. The world has five oceans. All of the oceans are connected, making one world ocean. | This is the Indian Ocean. | ||
Which statement describes the Yasuni National Park ecosystem? | [
"It has mostly small plants.",
"It has many different types of organisms.",
"It has soil that is rich in nutrients."
] | 11 | Figure: Yasuni National Park.
The Amazon rain forest in South America is the largest rain forest ecosystem in the world. Ecuador's Yasuni National Park, which is in the Amazon rain forest, has many different species of plants, birds, and mammals. | closed choice | grade8 | natural science | biology | Ecosystems | Describe ecosystems | An environment includes all of the biotic, or living, and abiotic, or nonliving, things in an area. An ecosystem is created by the relationships that form among the biotic and abiotic parts of an environment.
There are many different types of terrestrial, or land-based, ecosystems. Here are some ways in which terrestri... | A tropical rain forest is a type of ecosystem. Tropical rain forests have the following features: year-round rain and warm temperatures, soil that is poor in nutrients, and many different types of organisms. So, the following statement describes the Yasuni National Park ecosystem: year-round rain and warm temperatures,... | |
Which property do these three objects have in common? | [
"fragile",
"bouncy",
"yellow"
] | 00 | Select the best answer. | closed choice | grade4 | natural science | physics | Materials | Compare properties of objects | An object has different properties. A property of an object can tell you how it looks, feels, tastes, or smells. Properties can also tell you how an object will behave when something happens to it.
Different objects can have properties in common. You can use these properties to put objects into groups. Grouping objects... | Look at each object.
For each object, decide if it has that property.
A fragile object will break into pieces if you drop it. All three objects are fragile.
Yellow is a color.
This color is yellow. None of the objects are yellow.
A bouncy object will bounce back from the floor if you drop it. None of the objects are bo... | |
Not supported with pagination yet | Suppose Jordan decides to plant the chrysanthemums. Which result would be a cost? | [
"He will save some space. The chrysanthemums will use up less space than the magnolia tree would have used up.",
"Jordan will give up the chance to look at the magnolia tree. He thinks it would have looked more beautiful than the chrysanthemums."
] | 11 | Jordan is deciding whether to plant chrysanthemums or a magnolia tree in his backyard. He wants to make his backyard more beautiful. But he also wants to leave space for doing fun things. | closed choice | grade4 | social science | economics | Basic economic principles | Costs and benefits | Before you decide to do something, it is often helpful to list costs and benefits.
Costs are what you give up or spend when you decide to do something. Costs involve giving up things that you want or need.
Benefits are what you gain or save when you decide to do something. Benefits involve gaining something that you wa... | This result is a cost. It involves giving up or spending something that Jordan wants or needs:
Jordan will give up the chance to look at the magnolia tree. He thinks it would have looked more beautiful than the chrysanthemums. |
Look at the models of molecules below. Select the elementary substance. | [
"carbon tetrachloride",
"acetaldehyde",
"bromine"
] | 22 | closed choice | grade6 | natural science | chemistry | Atoms and molecules | Identify elementary substances and compounds using models | There are more than 100 different chemical elements, or types of atoms. Chemical elements make up all of the substances around you.
A substance may be composed of one chemical element or multiple chemical elements. Substances that are composed of only one chemical element are elementary substances. Substances that are ... | |||
Not supported with pagination yet | Look at the word. Does it have a closed syllable or an open syllable?
me | [
"open",
"closed"
] | 00 | closed choice | grade2 | language science | word-study | Short and long vowels | Is the syllable open or closed? | Words are made up of syllables. Two kinds of syllables are closed and open.
A closed syllable has one vowel and ends with a consonant. It usually has a short vowel sound.
desk: short e
kit / ten: short i / short e
An open syllable ends with one vowel. It usually has a long vowel sound.
go: long o
he / ro: long e / long... | The word me ends with a vowel and has a long vowel sound. So, it has an open syllable. | |
Select the organism in the same species as the pink-backed pelican. | [
"Balearica pavonina",
"Tyto alba",
"Pelecanus rufescens"
] | 22 | This organism is a pink-backed pelican. Its scientific name is Pelecanus rufescens. | closed choice | grade7 | natural science | biology | Classification and scientific names | Use scientific names to classify organisms | Scientists use scientific names to identify organisms. Scientific names are made of two words.
The first word in an organism's scientific name tells you the organism's genus. A genus is a group of organisms that share many traits.
A genus is made up of one or more species. A species is a group of very similar organisms... | A pink-backed pelican's scientific name is Pelecanus rufescens.
Pelecanus rufescens has the same scientific name as a pink-backed pelican. So, these organisms are in the same species.
Balearica pavonina does not have the same scientific name as a pink-backed pelican. So, Pelecanus rufescens and Balearica pavonina are n... | |
What is the capital of North Dakota? | [
"Des Moines",
"Bismarck",
"Madison",
"Fargo"
] | 11 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the Midwest | Bismarck is the capital of North Dakota. | |||
Not supported with pagination yet | What does the allusion in this text suggest?
With the gutters clogged and water rising in the streets, Lacey, who was watching the storm from her window, commented, "We're going to need an ark to get out of here." | [
"Lacey wants to protect her possessions.",
"Lacey thinks the storm will cause major flooding."
] | 11 | closed choice | grade6 | language science | figurative-language | Literary devices | Interpret figures of speech | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
An allusion is a brief reference to something or someone well known, often from history or literature.
"I'd better get home before I turn into a pumpkin!" Lila remarked. | The text uses an allusion, a brief reference to someone or something well known.
The allusion to an ark suggests that Lacey thinks the storm will cause major flooding. In the Bible, it rains for forty days and forty nights; Noah, his family, and animals of every species survive the great flood in an ark that he builds. | |
Not supported with pagination yet | Which figure of speech is used in this text?
Well, that's cast rather a gloom over the evening, hasn't it?
—Dinner guest, after a visit from the Grim Reaper, in Monty Python's The Meaning of Life | [
"understatement",
"antithesis"
] | 00 | closed choice | grade11 | language science | figurative-language | Literary devices | Classify the figure of speech: anaphora, antithesis, apostrophe, assonance, chiasmus, understatement | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
Anaphora is the repetition of the same word or words at the beginning of several phrases or clauses.
We are united. We are powerful. We are winners.
Antithesis involves contrasting opposing id... | The text uses understatement, which involves deliberately representing something as less serious or important than it really is.
Rather a gloom is an understatement, since a visit from Death would presumably ruin an evening. | |
Identify the question that Jeremiah's experiment can best answer. | [
"Do cardinals visit feeders containing sunflower seeds more often than feeders containing flax seeds?",
"Do cardinals eat more seeds per visit from feeders containing sunflower seeds compared to feeders containing flax seeds?"
] | 00 | The passage below describes an experiment. Read the passage and then follow the instructions below.
Jeremiah set up five pairs of platform bird feeders around his yard. He filled one feeder in each pair with sunflower seeds and the other feeder with flax seeds. For one week, Jeremiah watched cardinals visiting the fee... | closed choice | grade7 | natural science | science-and-engineering-practices | Designing experiments | Identify the experimental question | Experiments can be designed to answer specific questions. How can you identify the questions that a certain experiment can answer? In order to do this, you need to figure out what was tested and what was measured during the experiment.
Imagine an experiment with two groups of daffodil plants. One group of plants was gr... | ||
Not supported with pagination yet | What is the volume of an eyedropper? | [
"5 milliliters",
"5 liters"
] | 00 | Select the better estimate. | closed choice | grade5 | natural science | units-and-measurement | Units and measurement | Choose metric units of volume | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
Volume is a measurement of how much space something takes up.
There are many different units of volume. When you are using metric units, volume may be written in units of milliliters or liters.... | The better estimate for the volume of an eyedropper is 5 milliliters.
5 liters is too much. |
What is the capital of Massachusetts? | [
"Cambridge",
"Plymouth",
"Boston",
"Dover"
] | 22 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the Northeast | Boston is the capital of Massachusetts. | |||
Which animal is also adapted to be camouflaged in the snow? | [
"short-tailed weasel",
"common hawk-cuckoo"
] | 00 | Arctic wolves live in the Canadian Arctic and Greenland. The is adapted to be camouflaged in the snow.
Figure: Arctic wolf. | closed choice | grade3 | natural science | biology | Adaptations | Animal adaptations: skins and body coverings | An adaptation is an inherited trait that helps an organism survive or reproduce. Adaptations can include both body parts and behaviors.
The color, texture, and covering of an animal's skin are examples of adaptations. Animals' skins can be adapted in different ways. For example, skin with thick fur might help an animal... | Look at the picture of the Arctic wolf.
This Arctic wolf has white fur covering its body. It is adapted to be camouflaged in the snow. The word camouflage means to blend in.
Now look at each animal. Figure out which animal has a similar adaptation.
During the winter, the short-tailed weasel has white fur covering its b... | |
Not supported with pagination yet | What is the source of the allusion in the sentence below?
Polly anticipated that the free makeover her friend was promising would turn out to be a Trojan horse. | [
"Greek mythology",
"the Bible"
] | 00 | closed choice | grade9 | language science | figurative-language | Literary devices | Recall the source of an allusion | An allusion is a brief mention of something or someone well known, often from mythology, history, or literature. An allusion lets you reference ideas from an entire story in just a few words.
"I'd better get home before I turn into a pumpkin!" Lila remarked.
Here, Lila alludes to the fairy tale "Cinderella," in which C... | The source of the allusion Trojan horse is Greek mythology.
In Greek mythology, the Greek army tricks the Trojan army into taking a large wooden horse into their carefully guarded city. The horse turns out to be filled with Greek warriors who, once inside the city of Troy, open the gates to the Greek army waiting outsi... | |
Select the organism in the same genus as the Goliath heron. | [
"Falco sparverius",
"Ardea herodias",
"Tigrisoma mexicanum"
] | 11 | This organism is a Goliath heron. Its scientific name is Ardea goliath. | closed choice | grade4 | natural science | biology | Scientific names | Use scientific names to classify organisms | Scientists use scientific names to identify organisms. Scientific names are made of two words.
The first word in an organism's scientific name tells you the organism's genus. A genus is a group of organisms that share many traits.
A genus is made up of one or more species. A species is a group of very similar organisms... | A Goliath heron's scientific name is Ardea goliath. The first word of its scientific name is Ardea.
Ardea herodias is in the genus Ardea. The first word of its scientific name is Ardea. So, Ardea herodias and Ardea goliath are in the same genus.
Falco sparverius is in the genus Falco. The first word of its scientific n... | |
Which country is highlighted? | [
"Barbados",
"the Dominican Republic",
"Saint Lucia",
"Saint Vincent and the Grenadines"
] | 22 | closed choice | grade7 | social science | geography | The Americas: geography | Identify and select countries of the Caribbean | This country is Saint Lucia. | |||
Will these magnets attract or repel each other? | [
"repel",
"attract"
] | 11 | Two magnets are placed as shown. | closed choice | grade4 | natural science | physics | Magnets | Identify magnets that attract or repel | Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart.
Whether a magnet attracts or repels other magnets depends on the positions of its poles, or ends. Every magnet has two poles: north and south.
Here are some examples of magnets. The no... | To predict if these magnets will attract or repel, look at which poles are closest to each other.
The north pole of one magnet is closest to the south pole of the other magnet. Opposite poles attract. So, these magnets will attract each other. | |
Not supported with pagination yet | Which is a simple sentence? | [
"In June, Bridget and Max will graduate with honors from Lowell High School.",
"When the supervisor arrived at the quarry, six dump trucks were in line at the gate."
] | 00 | closed choice | grade5 | language science | grammar | Sentences, fragments, and run-ons | Is the sentence simple, compound, or complex? | A clause is a group of words that contains both a subject and a predicate.
An independent clause is a complete thought. It can stand alone as a sentence. A dependent clause is not a complete thought. It cannot stand alone as a sentence.
the oranges on our tree are ripe
The clause can stand alone. It is independent.
aft... | The second sentence is the simple sentence. It is a single independent clause.
In June, Bridget and Max will graduate with honors from Lowell High School. | |
Not supported with pagination yet | What is the temperature of the air on a warm, sunny day? | [
"26°C",
"26°F"
] | 00 | Select the better estimate. | closed choice | grade7 | natural science | units-and-measurement | Units and measurement | Estimate temperatures | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
Temperature can be written with units of degrees Fahrenheit (°F) or Celsius (°C). Use the list below to compare the two units.
212°F | Water boils | 100°C
98.6°F | Body temperature | 37°C
68°F ... | The better estimate for the temperature of the air on a warm, sunny day is 26°C.
26°F is too cold. |
Not supported with pagination yet | Which is bumpier? | [
"bark",
"wood ruler"
] | 00 | closed choice | grade2 | natural science | physics | Materials | Compare properties of materials | Every object is made of one or more materials. A material is a type of matter. Wood, glass, metal, and plastic are common materials.
A material has different properties. A material's properties tell you how it looks, feels, tastes, or smells. | Bumpy is a property. A bumpy material is covered in lumps and bumps. It is not flat or smooth.
Look at each picture, one at a time. Imagine touching the material shown in each picture.
Of the choices, the bark is bumpier. If you could touch this tree bark, it would feel lumpy and bumpy. | |
Can Fromia monilis cells make their own food? | [
"yes",
"no"
] | 11 | This organism is Fromia monilis. It is a member of the animal kingdom.
Fromia monilis is commonly called a tile sea star. Did you notice that this tile sea star is missing one of its arms? If a tile sea star loses an arm, it can regrow the arm over time. This ability is called regeneration. | yes or no | grade4 | natural science | biology | Classification | Describe, classify, and compare kingdoms | In the past, scientists classified living organisms into two groups: plants and animals. Over the past 300 years, scientists have discovered many more types of organisms. Today, many scientists classify organisms into six broad groups, called kingdoms.
Organisms in each kingdom have specific traits. The table below sho... | Fromia monilis is an animal. Animal cells cannot make their own food. Animals get their food by digesting other organisms. | |
Does this passage describe the weather or the climate? | [
"weather",
"climate"
] | 00 | Figure: Tambor Beach, Costa Rica.
Tambor Beach is located in Costa Rica, a country in Central America. A temperature of 84°F was measured at Tambor Beach on Friday.
Hint: Weather is what the atmosphere is like at a certain place and time. Climate is the pattern of weather in a certain place. | closed choice | grade3 | natural science | earth-science | Weather and climate | Weather and climate around the world | The atmosphere is the layer of air that surrounds Earth. Both weather and climate tell you about the atmosphere.
Weather is what the atmosphere is like at a certain place and time. Weather can change quickly. For example, the temperature outside your house might get higher throughout the day.
Climate is the pattern of ... | Read the passage carefully.
Tambor Beach is located in Costa Rica, a country in Central America. A temperature of 84°F was measured at Tambor Beach on Friday.
The underlined part of the passage tells you about the temperature at Tambor Beach on Friday. This passage describes the atmosphere at a certain place and time. ... | |
Not supported with pagination yet | Which text structure does the text use? | [
"sequential",
"cause-effect"
] | 11 | Read the text.
Experts say that too much television can be bad for you. Watching hours of TV results in too much sitting and not enough exercise. Exercise often makes people healthier. TV also takes away from the time kids might spend reading or doing their homework. This means that they might fall behind in school. So... | closed choice | grade4 | language science | writing-strategies | Text structure | Identify text structures | Writers can organize their ideas in different ways. These ways of organizing writing are called text structures. When you can tell how a text is organized, it's easier to understand how the writer's ideas go together. You can also use these text structures to organize your own writing.
| Text structure | Where you mig... | The text uses a cause-effect structure to show what happens if you watch too much television. In the text, certain words and phrases help to organize ideas in a cause-effect structure. Notice the phrase results in and the words makes, means, and because. |
Which country is highlighted? | [
"Vanuatu",
"Tonga",
"the Marshall Islands",
"Nauru"
] | 33 | closed choice | grade8 | social science | geography | Oceania: geography | Identify and select countries of Oceania | This country is Nauru. | |||
Which rhetorical appeal is primarily used in this ad? | [
"logos (reason)",
"pathos (emotion)",
"ethos (character)"
] | 11 | closed choice | grade12 | language science | writing-strategies | Persuasive strategies | Identify appeals to ethos, pathos, and logos in advertisements | The purpose of an advertisement is to persuade people to do something. To accomplish this purpose, advertisements use three types of persuasive strategies, or appeals.
Appeals to ethos, or character, show the writer or speaker as trustworthy, authoritative, or sharing important values with the audience. An ad that appe... | The ad appeals to pathos, or emotion, by evoking feelings of parental love and concern. | ||
Not supported with pagination yet | Which greeting is correct for a letter? | [
"Dear Pablo,",
"dear Pablo,"
] | 00 | closed choice | grade2 | language science | capitalization | Capitalization | Greetings and closings of letters | A letter starts with a greeting and ends with a closing. For each one, capitalize the first word and end with a comma. You should also capitalize proper nouns, such as Aunt Sue.
Dear Aunt Sue,
I'm glad you could come to my party, and
thank you for the birthday gift. I could not have
asked for a better one! Every time I... | The second greeting is correct:
Its first word is capitalized, and it ends with a comma. Pablo is capitalized because it is a proper noun. | |
Which animal is also adapted to be camouflaged among dead leaves? | [
"strawberry poison frog",
"Surinam horned frog"
] | 11 | Orange oakleaf butterflies live in the forests of Asia. This butterfly is adapted to be camouflaged among dead leaves.
Figure: orange oakleaf butterfly. | closed choice | grade5 | natural science | biology | Adaptations | Animal adaptations: skins and body coverings | An adaptation is an inherited trait that helps an organism survive or reproduce. Adaptations can include both body parts and behaviors.
The color, texture, and covering of an animal's skin are examples of adaptations. Animals' skins can be adapted in different ways. For example, skin with thick fur might help an animal... | Look at the picture of the orange oakleaf butterfly.
The orange oakleaf butterfly has a brown leaf-shaped body. It is adapted to be camouflaged among dead leaves, which often have a reddish or brownish color. The word camouflage means to blend in.
Now look at each animal. Figure out which animal has a similar adaptatio... | |
Not supported with pagination yet | Which figure of speech is used in this text?
Norma's phone slipped out of her pocket, landing in the toilet with a plop. | [
"verbal irony",
"onomatopoeia"
] | 11 | closed choice | grade9 | language science | figurative-language | Literary devices | Classify figures of speech: review | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
Alliteration is the repetition of sounds at the beginning of nearby words.
What a lucky little lady you are!
An allusion is a brief reference to something or someone well known, often from his... | The text uses onomatopoeia, a word that expresses a sound.
Plop represents the sound of the phone landing in the toilet. | |
Identify the question that Helen's experiment can best answer. | [
"Does fabric turn darker when soaked in a mixture of black dye and water for 15 minutes compared to 30 minutes?",
"Does linen fabric turn darker than cotton fabric when soaked in a mixture of black dye and water?"
] | 11 | The passage below describes an experiment. Read the passage and then follow the instructions below.
Helen prepared ten buckets, each with one gallon of boiling water and three tablespoons of black fabric dye. Helen soaked white linen fabric squares in five of the buckets, and white cotton fabric squares in the other f... | closed choice | grade8 | natural science | science-and-engineering-practices | Designing experiments | Identify the experimental question | Experiments can be designed to answer specific questions. How can you identify the questions that a certain experiment can answer? In order to do this, you need to figure out what was tested and what was measured during the experiment.
Imagine an experiment with two groups of daffodil plants. One group of plants was gr... | ||
Not supported with pagination yet | Using only these supplies, which question can Rachel investigate with an experiment? | [
"Does the basketball bounce higher on gravel or on grass?",
"Do larger basketballs bounce higher than smaller basketballs on a brick patio?",
"Does the basketball bounce higher on a lawn or on a dirt path?"
] | 00 | Rachel gets a basketball for her birthday and dribbles it around her neighborhood. She notices that sometimes the ball bounces higher than other times. She wonders what factors affect how high her ball bounces. So, she decides to design an experiment. She has the following supplies available:
one basketball
access to a... | closed choice | grade7 | natural science | science-and-engineering-practices | Designing experiments | Identify questions that can be investigated with a set of materials | Experiments can be designed to answer specific questions. When designing an experiment, you must identify the supplies that are necessary to answer your question. In order to do this, you need to figure out what will be tested and what will be measured during the experiment.
Imagine that you are wondering if plants gro... | |
Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | [
"The magnetic force is stronger in Pair 1.",
"The magnetic force is stronger in Pair 2.",
"The strength of the magnetic force is the same in both pairs."
] | 11 | The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material. | closed choice | grade3 | natural science | physics | Magnets | Compare strengths of magnetic forces | Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart.
These pulls and pushes between magnets are called magnetic forces. The stronger the magnetic force between two magnets, the more strongly the magnets attract or repel each other.
You c... | Distance affects the strength of the magnetic force. When magnets are closer together, the magnetic force between them is stronger.
The magnets in Pair 2 are closer together than the magnets in Pair 1. So, the magnetic force is stronger in Pair 2 than in Pair 1. | |
Not supported with pagination yet | Would you find the word nature on a dictionary page with the following guide words?
neither - nuisance | [
"yes",
"no"
] | 11 | yes or no | grade2 | language science | reference-skills | Reference skills | Use guide words | Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order.
To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let... | Put the words in alphabetical order.
Since nature is not between the guide words neither - nuisance, it would not be found on that page. | |
Not supported with pagination yet | What is the source of the allusion in the sentence below?
Red velvet cupcakes were Mabel's Achilles's heel when she was trying to eat more healthily. | [
"Greek mythology",
"the Bible"
] | 00 | closed choice | grade8 | language science | figurative-language | Literary devices | Recall the source of an allusion | An allusion is a brief mention of something or someone well known, often from mythology, history, or literature. An allusion lets you reference ideas from an entire story in just a few words.
"I'd better get home before I turn into a pumpkin!" Lila remarked.
Here, Lila alludes to the fairy tale "Cinderella," in which C... | The source of the allusion Achilles's heel is Greek mythology.
In Greek mythology, Achilles's mother dips him in a river that protects his body wherever it touches. His heel does not get wet, so it is the one part of his body left unprotected. During the Trojan War, an arrow hits Achilles in the heel and kills him.
The... | |
What is the capital of Washington? | [
"Olympia",
"Burlington",
"Seattle",
"Spokane"
] | 00 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the West | Olympia is the capital of Washington. | |||
Not supported with pagination yet | Last year, there were seven men's clothing stores on Main Street in Norwood. This year, there are only three. What probably happened to the overall supply of men's shirts in Norwood? | [
"The supply probably went up.",
"The supply probably went down."
] | 11 | closed choice | grade8 | social science | economics | Supply and demand | Understand overall supply and demand | Overall supply is the total amount of a good or service that producers make and sell. There are several things that can make overall supply go up or down. The table below shows how changes to these things might affect overall supply.
| Resources | Number of producers or suppliers | Expected change in demand
Supply goe... | When four men's clothing stores closed on Main Street, the number of suppliers went down. There were fewer stores selling men's shirts. So, the supply of men's shirts probably went down. | |
Not supported with pagination yet | Which sentence uses a metaphor? | [
"The tired boy was a slow turtle.",
"The tired boy was as slow as a turtle."
] | 00 | closed choice | grade4 | language science | figurative-language | Literary devices | Identify similes and metaphors | Similes and metaphors are figures of speech that compare two things that are not actually alike.
A simile compares two things by saying that one is like the other. Similes often use the words like and as.
My sister runs like a cheetah.
The sister's running and a cheetah's running are compared using the word like.
A che... | This sentence uses a metaphor:
The tired boy was a slow turtle.
The words boy and turtle are compared without the word like or as.
This sentence uses a simile:
The tired boy was as slow as a turtle.
The words boy and turtle are compared using the word as. |
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