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4 values
ARC-Challenge
arc_04_02930
Which statement best explains why a car that is rolling on a level surface will eventually come to a stop?
[ "Frictional forces oppose the motion of the car.", "Forward motion slowly runs out as energy is expended.", "The natural state of an object is to be at rest.", "Inertia acting on an object will dissipate." ]
A
openbookqa
obqa_02_03464
the breaking down of food into simple substances occurs in the
[ "hair", "shoes", "inner sustenance canals", "beach" ]
C
math_qa
mathqa_03_03457
if 0.75 : x : : 5 : 6 , then x is equal to :
[ "1.12", "1.16", "1.2", "0.9" ]
D
ARC-Easy
arc_04_00327
A wet towel will dry when it is left in the Sun. Which process occurs to make this happen?
[ "melting", "boiling", "condensation", "evaporation" ]
D
sciq
sciq_01_01097
Superconductors are materials with a resistivity of?
[ "high magnitude", "greater density", "zero", "above zero" ]
C
sciq
sciq_01_00745
A mutation is a random change in an organism's what?
[ "genes", "babies", "structure", "power" ]
A
sciq
sciq_01_01784
What have approximately the same mass as protons but no charge?
[ "atoms", "reactions", "neutrons", "electrons" ]
C
openbookqa
obqa_02_04136
Duracell's convert chemicals to
[ "ocean current", "sunlight", "magic", "voltage" ]
D
math_qa
mathqa_03_04149
lilly has 10 fish and rosy has 8 fish . in total , how many fish do they have in all ?
[ "12", "14", "16", "18" ]
D
sciq
sciq_01_11535
What do cells produce as they age?
[ "oxidants", "carcinogens", "wrinkles", "proto-oncogenes" ]
D
math_qa
mathqa_03_04474
in a graduating class , 40 percent of the students are male . in this class , 50 percent of the male students and 40 percent of the female students are 25 years old or older . if one student in the class is randomly selected , approximately what is the probability that he or she will be less than 25 years old ?
[ "0.44", "0.5", "0.56", "0.62" ]
C
math_qa
mathqa_03_03442
fox jeans regularly sell for $ 15 a pair and pony jeans regularly sell for $ 18 a pair . during a sale these regular unit prices are discounted at different rates so that a total of $ 8.82 is saved by purchasing 5 pairs of jeans : 3 pairs of fox jeans and 2 pairs of pony jeans . if the sum of the two discount rates is ...
[ "9 %", "10 %", "11 %", "12 %" ]
D
sciq
sciq_01_10776
What occurs when light interacts with our atmosphere?
[ "eclipse", "rainbow formation", "prism effect", "rayleigh scattering" ]
D
openbookqa
obqa_02_04754
This is most likely to be conserved:
[ "CO2", "toilet paper", "a soda can", "styrofoam" ]
C
sciq
sciq_01_10360
It was not until the era of the ancient greeks that we have any record of how people tried to explain the chemical changes they observed and used. at that time, natural objects were thought to consist of only four basic elements: earth, air, fire, and this?
[ "soul", "sky", "water", "grass" ]
C
sciq
sciq_01_04817
What happens to a tectonic plate when it subducts?
[ "it cracks", "it warms", "it sinks", "it melts" ]
D
sciq
sciq_01_05331
What are the devices placed in electric circuits where charge can build up, which store energy when charged and release it when they discharge?
[ "capacitors", "antennas", "generators", "resistors" ]
A
math_qa
mathqa_03_01728
the price of lunch for 14 people was $ 207 including a 15 % gratuity for service . what was the average price per person , excluding the gratuity ?
[ "11.73", "12.85", "13.8", "14" ]
B
ARC-Easy
arc_04_00656
Which dog trait is a learned behavior?
[ "blinking its eyes", "scratching an itch", "panting to cool off", "jumping to catch a ball" ]
D
ARC-Easy
arc_04_02112
A water company uses lab tests on the water supply before sending the water through pipes to people's homes. How do these lab tests help people?
[ "by adding minerals and nutrients to the water", "by checking the water to make sure it is safe to drink", "by filtering chemicals and organisms out of the water", "by stopping harmful substances from entering the water" ]
B
sciq
sciq_01_02183
Atoms with the same atomic number but different mass numbers are called what?
[ "isotopes", "tropes", "reactions", "organisms" ]
A
ARC-Challenge
arc_04_02578
In the rock cycle, weathering and erosion begin the process of the formation of
[ "sediments.", "magma.", "minerals.", "crystals." ]
A
ARC-Easy
arc_04_00640
A student learns that one year on Mercury is about 88 Earth days. This means it takes 88 Earth days for Mercury to
[ "travel in orbit around its moon.", "complete one rotation on its axis.", "switch orbits with the nearest planet.", "make one complete orbit around the Sun." ]
D
sciq
sciq_01_10891
The human male and female reproductive cycles are controlled by the interaction of hormones from the hypothalamus and anterior pituitary with hormones from reproductive tissues and organs. in both sexes, the hypothalamus monitors and causes the release of hormones from this?
[ "thyroid gland", "hypothalamus gland", "pineal gland", "anterior pituitary gland" ]
D
sciq
sciq_01_06186
Displacement is a vector quantity, which means it has both direction and what else?
[ "waves", "magnitude", "rate", "radiation" ]
B
openbookqa
obqa_02_02606
Which of the following is never an element used to make carbohydrates for the plant?
[ "sand", "water", "sunlight", "carbon dioxide" ]
A
ARC-Easy
arc_04_01033
Several types of mechanisms in the body regulate the rate of chemical reactions in the digestive system. Among the most important are feedback systems, which control the release rate of
[ "lipids.", "enzymes.", "nucleic acids.", "carbohydrates." ]
B
math_qa
mathqa_03_05352
a taxi company charges $ 2.5 for the first quarter of a mile and fifteen cents for each additional quarter of a mile . what is the maximum distance someone could travel with $ 4.90 ?
[ "4 miles", "4 1 / 4 miles", "4 3 / 4 miles", "5 1 / 2 miles" ]
B
openbookqa
obqa_02_00813
How can it be shown that an electrical conductor is a vehicle for the flow of electricity?
[ "holding an electrified fence can kill you", "electricity is unable to conduct well through rubber shoe soles", "sticking a fork into an electrical outlet is safe if it is plastic", "electricity is a volatile thing" ]
A
openbookqa
obqa_02_04120
Which of the following likely make up a path for electrical energy to travel to a device?
[ "steel or copper", "rice or beans", "peaches or cream", "cotton and solar" ]
A
math_qa
mathqa_03_05837
let f ( x ) = x ^ 2 + bx + c . if f ( 4 ) = 0 and f ( - 3 ) = 0 , then b + c =
[ "18", "15", "- 13", "- 21" ]
C
openbookqa
obqa_02_02342
As dry soil becomes more and more broken up, it will always contain more
[ "water", "calcium", "oxygen", "rocks" ]
C
sciq
sciq_01_05603
Which forces hold particles together in more ordered states?
[ "intermolecular", "particular", "gravitational", "natural" ]
A
ARC-Easy
arc_04_01683
The chemical reaction of ethane and oxygen produces carbon dioxide and water. Which is the best form to identify reactants and products of the reaction?
[ "a table", "a graph", "a diagram", "an equation" ]
D
openbookqa
obqa_02_03833
Which of the following is an example of decomposition?
[ "a dog eating dog food", "something growing on a dead tree trunk", "a lion eating a gazelle", "a parrot eating bird seed" ]
B
sciq
sciq_01_08130
Niche refers to the role a species plays in what?
[ "migration", "reproduction", "the habitat", "the ecosystem" ]
D
openbookqa
obqa_02_01472
Mice live in holes where?
[ "pastureland", "lakes", "oceans", "skyscrapers" ]
A
ARC-Challenge
arc_04_02283
When a tadpole grows, its gills change into lungs. What does it now need to survive?
[ "Air", "Water", "Soil", "Fins" ]
A
sciq
sciq_01_06430
What type of animal are most reptiles in regards to diet?
[ "arthropods", "omnivores", "herbivores", "carnivores" ]
D
math_qa
mathqa_03_00051
find the distance covered by a man walking for 36 min at a speed of 10 km / hr ?
[ "1 km", "3 km", "6 km", "5 km" ]
C
ARC-Challenge
arc_04_02383
Two identical plants are planted 3 meters apart. One plant is flowering, but the other is not. A student concludes that the plants are receiving an unequal supply of water. Another possible explanation the other plant is not flowering is that the plants are
[ "too close to one another.", "receiving different amounts of sunlight.", "in soil with high humus content.", "receiving different amounts of carbon dioxide." ]
B
ARC-Easy
arc_04_01472
Plants in a forest need to obtain nutrients from the soil to survive. How do most of the nutrients get back in the soil once the forest plants have used them for growth?
[ "Organic matter recycles from dead organisms.", "Commercial fertilizers are applied by humans.", "Solar radiation reaches the ground surface.", "Rainwater drips off of living organisms." ]
A
sciq
sciq_01_04644
Why is a synthetic diamond not considered a mineral?
[ "interactions must be created naturally", "minerals must be created naturally", "Minerals must not occur naturally.", "fluctuations must be created naturally" ]
B
ARC-Easy
arc_04_00857
Evidence suggests that there is a relationship between ancient dinosaurs and modern birds. Through time, each occurrence of a new trait most likely resulted from which of the following?
[ "mutation of genes", "hybridization of species", "extinction of populations", "alteration of the environment" ]
A
sciq
sciq_01_10924
Streamlines are smooth and continuous when flow is laminar, but break up and mix when flow is what?
[ "atmospheric", "slow", "turbulent", "volcanic" ]
C
sciq
sciq_01_08899
For fertilization to occur in angiosperms, pollen has to be transferred to the stigma of what?
[ "root", "flower", "stem", "leaf" ]
B
ARC-Easy
arc_04_00429
During its lifetime, which object is known to change in brightness, color, and temperature?
[ "star", "moon", "asteroid", "planet" ]
A
math_qa
mathqa_03_05119
the salary of a typist was at first raised by 10 % and then the same was reduced by 5 % . if he presently draws rs . 5225 . what was his original salary ?
[ "2277", "5000", "1000", "2651" ]
B
sciq
sciq_01_02615
Eukaryotic cells contain what type of structures that possess special functions?
[ "organelles", "fibers", "chloroplasts", "cell membranes" ]
A
openbookqa
obqa_02_00272
Seasons of the year highly impact what?
[ "Moods", "Environment", "Behavior", "Consumption" ]
B
sciq
sciq_01_02225
What type of device uses electromagnetic induction to change the voltage of electric current?
[ "electronic transformer", "radioactive transformer", "mechanical transformer", "hot transformer" ]
A
math_qa
mathqa_03_00645
find the volume , curved surface area and the total surface area of a cylinder with diameter of base 7 cm and height 40 cm .
[ "952 cm ^ 2'", "957 cm ^ 2'", "954 cm ^ 2'", "958 cm ^ 2'" ]
B
math_qa
mathqa_03_00000
a number divided by 24 leaves remainder 56 what is the remainder when same number divided by 7
[ "9", "7", "5", "3" ]
D
math_qa
mathqa_03_00761
when positive integer n is divided by 2 , the remainder is 2 . when n is divided by 7 , the remainder is 5 . how many values less than 100 can n take ?
[ "0", "2", "3", "4" ]
C
openbookqa
obqa_02_01874
When you start to drive away from your house, the longer you drive, your house will eventually look
[ "dead", "bigger", "smaller", "icier" ]
C
math_qa
mathqa_03_04435
in a full deck of 52 cards , there are 13 spades . a game is played whereby a card from is chosen at random from the deck . if the card is a spade , a winner is declared . if the card is not a spade , it is returned to the deck , the deck is reshuffled and another card is drawn . this process is repeated until a spade ...
[ "1 / 8", "1 / 4", "1 / 2", "3 / 4" ]
D
openbookqa
obqa_02_01064
When a plant is water the liquid goes from the soil area to where it is needed using what system?
[ "sprinkler", "xylem", "flowering pistols", "leaves" ]
B
openbookqa
obqa_02_04410
A series of small holes that lead to various locations are found in soil where these legless things burrow:
[ "frogs", "moles", "earthworms", "salamanders" ]
C
openbookqa
obqa_02_03854
Of these, a wolf will make its home very nearest to
[ "mink", "humans", "lions", "whales" ]
A
math_qa
mathqa_03_04476
ifaequals the sum of the even integers from 2 to 100 , inclusive , andbequals the sum of the odd integers from 1 to 99 , inclusive , what is the value of a - b ?
[ "1", "50", "19", "20" ]
B
openbookqa
obqa_02_00889
Miletinae in the air above will have gone through a transmutation and would have already gone through what pre imago but post egg stage ?
[ "egg stage", "old stage", "stage after larva", "moth stage" ]
C
openbookqa
obqa_02_00309
If a creature wishes to hunt, which senses would be avoided?
[ "sight", "smell", "crawling", "hearing" ]
C
sciq
sciq_01_05822
What general property of an earthquake is used to describe its relative strength?
[ "resonance", "latitude", "magnitude", "amplitude" ]
C
sciq
sciq_01_10322
Vinegar is a solution of which acid?
[ "magnesium", "crystalline", "boric", "acetic" ]
D
sciq
sciq_01_07788
What is a rigid layer that surrounds the plasma membrane of a plant cell?
[ "the nucleic wall", "the cell wall", "the cell center", "mitochondria" ]
B
sciq
sciq_01_04964
During which phase does dna replication occur in the cell cycle?
[ "gap", "resting", "mitosis", "synthesis" ]
D
ARC-Easy
arc_04_01599
How does repeating an experiment improve the likelihood of obtaining accurate results?
[ "Data can be compared.", "Time can be decreased.", "Equipment can be added.", "Procedures can be changed." ]
A
ARC-Challenge
arc_04_02263
Which of the following will reduce a home electric bill?
[ "using cloth napkins rather than paper towels", "drying clothes on a clothesline on sunny days", "keeping appliances plugged in when not in use", "using incandescent light bulbs in the lamps" ]
B
openbookqa
obqa_02_00526
The amount of water in the ocean compared to fifty years ago is
[ "fluctuating", "larger", "smaller", "the same" ]
B
sciq
sciq_01_01601
What type of behavior occurs naturally in all animals of a given species?
[ "innate", "stimulated", "acquired", "learned" ]
A
sciq
sciq_01_06179
What are the two metals within a battery called?
[ "anode and sheath", "sheath and a cathode", "anode and diode", "anode and a cathode" ]
D
sciq
sciq_01_01378
What is measured using units pascal, bar, atmosphere or mmhg?
[ "fuel", "Muscle", "push", "pressure" ]
D
math_qa
mathqa_03_01067
a rectangular swimming pool is 20 feet by 28 feet . a deck that has uniform width surrounds the pool . the total area of the pool and deck is 884 square feet . what is the width of the deck ?
[ "2 feet", "2.5 feet", "3 feet", "4 feet" ]
C
openbookqa
obqa_02_02543
If someone is dying of liquid needs, they can hydrate the body by
[ "high temp snow", "catching falling ash", "visiting a valley", "pray" ]
A
math_qa
mathqa_03_05786
hillary and eddy are climbing to the summit of mt . everest from a base camp 5,000 ft from the summit . when they depart for the summit at 06 : 00 , hillary climbs at a rate of 800 ft / hr with eddy lagging behind at a slower rate of 500 ft / hr . if hillary stops 1000 ft short of the summit and then descends at a rate...
[ "11.0", "12.0", "13.0", "14.0" ]
B
openbookqa
obqa_02_02527
When would you want a radiator the most?
[ "winter", "spring", "fall", "summer" ]
A
sciq
sciq_01_07191
The rate of heat transfer by radiation is largely determined by what?
[ "environment", "color", "sound", "scope" ]
B
sciq
sciq_01_00631
Compared to others, what type of liquid has a relatively high surface tension and heat capacity?
[ "water", "blood", "wine", "oil" ]
A
sciq
sciq_01_06692
What type of tissue is blood?
[ "nervous", "muscular", "epithelial", "connective" ]
D
sciq
sciq_01_04774
What are genes that are close together on the same chromosome called?
[ "linked genes", "stored genes", "infected genes", "mutated genes" ]
A
sciq
sciq_01_06400
What allows giraffes to reach leaves that other ground animals cannot?
[ "long necks", "camouflage pattern", "long horns", "long tongue" ]
A
sciq
sciq_01_04026
What is a longitudinal, flexible rod located between the digestive tube and the nerve cord?
[ "the notochord", "the underlain", "the oscillatory", "tubular gland" ]
A
sciq
sciq_01_10839
Most tunicates live a sessile existence in shallow ocean waters and are suspension feeders. the primary foods of tunicates are plankton and this?
[ "bacteria", "detritus", "debris", "crustaceans" ]
B
math_qa
mathqa_03_01834
john and david can finish a job together in 6 hours . if john can do the job by himself in 8 hours , what percent of the job does david do ?
[ "35 %", "45 %", "25 %", "30 %" ]
C
sciq
sciq_01_07328
The large hadron collider is the biggest type of what invention, which boosts particles to high energies?
[ "particle accelerator", "electron microscope", "nuclear reactor", "mass spectrometer" ]
A
sciq
sciq_01_09289
What is a solid particle that is indestructible?
[ "quark", "atom", "nucleus", "neutron" ]
B
math_qa
mathqa_03_01114
annie and sam set out together on bicycles traveling at 15 and 12 km per hour respectively . after 40 minutes , annie stops to fix a flat tire . if it takes annie 25 minutes to fix the flat tire and sam continues to ride during this time , how many minutes will it take annie to catch up with sam assuming that annie res...
[ "20", "40", "60", "80" ]
C
openbookqa
obqa_02_02246
A person wants a room that is artificially brightened to go back to darkness, so they
[ "pull a cart", "dump a can", "flick a window", "adjust a switch" ]
D
openbookqa
obqa_02_04879
Earthquakes can shake
[ "fish", "flying birds", "clouds", "smoke" ]
A
openbookqa
obqa_02_01147
There are nutrients in dirt, like magnesium, and those nutrients may be
[ "poisoned", "collected into vegetation", "set on fire", "taught to read" ]
B
ARC-Easy
arc_04_01668
Which effect would the growing of legume crops such as beans and soybeans have?
[ "increase the efficiency of photosynthesis", "greater immunity of crops against diseases", "fewer bacteria in soil and in living organisms", "more usable nitrogen for other plants" ]
D
sciq
sciq_01_00309
The name of a spinal cord region corresponds to the level at which spinal nerves pass through the what?
[ "synovial fluid", "lumbar foramina", "notochord", "intervertebral foramina" ]
D
ARC-Easy
arc_04_00110
The primary reason that plants are important for an ecosystem is because they
[ "provide energy for consumers.", "depend on other organisms for shelter.", "break down dead animal matter.", "consume nutrients for energy." ]
A
math_qa
mathqa_03_00709
the cricket team of 11 members is 25 yrs old & the wicket keeper is 3 yrs older . if the ages ofthese 2 are excluded , the average age of theremaining players is 1 year less than the average age of the whole team . what is the average age of the team ?
[ "21", "22", "23", "25" ]
B
math_qa
mathqa_03_04330
a store ’ s selling price of $ 2500 for a certain printer would yield a profit of 40 percent of the store ’ s cost for the printer . what selling price would yield a profit of 50 percent of the printer ’ s cost ?
[ "$ 2400", "$ 2464", "$ 2650", "$ 2478" ]
D
openbookqa
obqa_02_01895
If a tree has large seeds, then so did
[ "the trees it came from", "Johnny Appleseed in a pouch", "the birds in the trees", "the surrounding leaves and bushes" ]
A
openbookqa
obqa_02_03709
usually plants die or become dormant after the
[ "lowest solstice", "naptime", "a good book", "lunch" ]
A
sciq
sciq_01_00391
Many of the hormones are secreted in response to what signals of the body?
[ "nervous system signals", "nose system signals", "skeletal system signals", "heart system signals" ]
A
sciq
sciq_01_02904
What molecule can be used by the body to synthesize cholesterol ?
[ "ethylene coa", "acetyl coa", "hydroxide coa", "chloride coa" ]
B
sciq
sciq_01_10980
Which of newton's laws states that the quantity of angular momentum in a closed system is fixed?
[ "second conservation law", "third conservation law", "sixth conservation law​", "fourth conservation law" ]
B