allenai/quartz huggingface dataset:
Background: Increasing the diameter of the blood vessels increases the amount of blood and heat that moves near the skins surface.

Question: Ollie was running for 20 minutes while Jim was standing for 20 minutes. Which person likely has temporarily engorged blood vessels?
Choices:
Jim
Ollie
Answer: B
Background: Increasing the number of resistors connected in parallel decreases the overall resistance of the circuit.

Question: Rita added more resistors to her parallel circuit. The overall resistance goes
Choices:
up
down
Answer: B
Background: The faster or larger a moving object is, the greater is the fluid friction resisting its motion.

Question: A moving ball that is only heavily resisted by fluid friction is likely to be quite
Choices:
small
large
Answer: B
Background: Lower pH numbers are more acidic and higher numbers are less acidic (also called more alkaline).

Question: Shampoos with low ph are
Choices:
less acidic
more or
Answer: B
Background: The more curved the convex lens is in a magnifying glass, the greater its ability to magnify objects.

Question: Derek needs to be able to read really small print, so he reaches for a straight lens magnifying glass, which can magnify
Choices:
more
less
Answer: B
Background: Therefore, an object with more mass has greater thermal energy than an object with less mass, even if their individual atoms are moving at the same speed.

Question: Dan needs to stay warm in the woods, and can bring one animal for body heat to sleep next to him. Given the choice between a horse and cat, Dan will choose the
Choices:
cat
horse
Answer: B
Background: The higher the crests are, the greater the amplitude of the wave.

Question: If Jim is tuning his shortwave radio and he makes the crests higher, what happens to the amplitude of the waves?
Choices:
decrease
increase
Answer: B
Background: Anything that is moving has kinetic energy, and the faster it is moving, the more kinetic energy it has.

Question: John watched the particles interacting in the laboratory. He observed that the slower an object is moving, means that the kinetic energy is
Choices:
Higher
Lower
Answer: B
Background: This means the rate of diffusion is much slower in liquids than in gases, because the particles of a gas are further apart and collide much less.

Question: Eric noticed that diffusion was occurring slowly in a medium. This medium has particles that are
Choices:
closer together
further apart
Answer: B
Background: The smoother the surface, the less friction against an object, so the faster it will move.

Question: If an object starts speeding up, it is encountering _____ friction against it.
Choices:
more
less
Answer: B
Background: Adding more heat energy to Earths atmosphere also causes more extreme weather and changes in precipitation patterns.

Question: When the oceans cool down it leads to
Choices:
more weather
less weather
Answer: B
Background: The more focused the Suns rays are, the more energy an area receives and the warmer it is.

Question: If you focus the sun's rays with a magnifying glass they are
Choices:
weaker
stronger
Answer: B
Background: A gentle slope favours slower flow of surface water, reduces erosion, and increases availability of water to plants.

Question: A hill that is not steep has
Choices:
a lot of water
little water
Answer: A
Background: Adding more heat energy to Earths atmosphere also causes more extreme weather and changes in precipitation patterns.

Question: As the Earth's atmosphere warms up due to global warming, what will happen to the precipitation patterns?
Choices:
they will become less variable
they will become more variable
Answer: B
Background: As decibel levels get higher, sound waves have greater intensity and sounds are louder.

Question: If Milo turns up his radio by increasing the decibel levels of the music, what can he expect from the sound waves generated by the radio?
Choices:
increased
decreased
Answer: A
Background: The smoother the surface, the less friction against an object, so the faster it will move.

Question: If Jimbo takes a sander to his board and makes it rougher, what will happen to the friction of the board?
Choices:
increases
decreases
Answer: A
Background: A gentle slope favours slower flow of surface water, reduces erosion, and increases availability of water to plants.

Question: A hill that is steep has
Choices:
a lot of water
little water
Answer: B
Background: In exponential growth as the population size increases, the growth rate also increases.

Question: Milo lives in a small city, but the city has recently become more popular with young people. If more young people begin leaving the city, what happens to the growth rate of the city?
Choices:
increases
decreases
Answer: B
Background: The greater the force that is applied to an object of a given mass, the more the object will accelerate.

Question: Dina and Job are pushing carts down a hill to see who's will reach the bottom first. Both carts are identical. Dina pushes hard, and Job pushes softly. The cart that will reach the bottom of the hill first is
Choices:
Dina's
Job's
Answer: A
Background: Friction is greater when objects have rougher surfaces or are heavier so they press together with greater force.

Question: If Mona is comparing a football and a baseball and she determines that the football is rougher then the baseball, which item has more friction?
Choices:
football
baseball
Answer: A
Background: The Southern Hemisphere has less trash buildup in the oceans because less of the region is continent.

Question: If Australia is smaller then Asia, which country will produce less of a trash buildup in the oceans?
Choices:
Australia
China
Answer: A
Background: The smoother the surface, the less friction against an object, so the faster it will move.

Question: John was watching the object slide across the table and other surfaces. He observed that the greater friction against it, and it will move
Choices:
Faster
Slower
Answer: B
Background: As photosynthesis increases, the amount of stored glucose in the guard cells increases.

Question: When plants have very little sun they make
Choices:
more glucose
less glucose
Answer: B
Background: Anything that is moving has kinetic energy, and the faster it is moving, the more kinetic energy it has.

Question: Tony is running while Lester sits on the sidelines. Who has more kinetic energy?
Choices:
Tony
Lester
Answer: B
Background: The stratosphere gets most of its heat from the Sun. Therefore, its warmer closer to the Sun.

Question: Shane is learning about our atmosphere, and sees where the stratosphere is. Shane knows that the stratosphere is warm because, in relation to the Sun, it is
Choices:
close
distant
Answer: A
Background: In the troposphere, temperatures decrease as altitude increases.

Question: When we get very low into the troposphere the temperature
Choices:
increases
decreases
Answer: A
Background: The larger a telescope's mirror or lens, the better it is at seeing narrowly separated objects as individual objects and the sharper the images look.

Question: Yolanda looks through a miniature telescope and then compares the view to a normal sized telescope. The telescope that likely differentiates between celestial objects the best is
Choices:
larger
smaller
Answer: A
Background: More people need more resources.

Question: Dean and Bob are having a party. Since there will be a small number of people there, the amount of resources must be
Choices:
small
great
Answer: A
Background: What this means is that at higher magnification, we are able to see objects of smaller and smaller size within our field of view.

Question: If we halve the magnification of our microscope, we will see _____ tiny creatures.
Choices:
more
less
Answer: B
Background: The deeper you go, the darker the water gets.

Question: Fay was scuba diving at a depth of 100 feet while Rita was scuba diving at 1000 feet. Who likely needs a flashlight?
Choices:
Fay
Rita
Answer: B
Background: Drier climates generally have less water for people to use.

Question: When deciding where to find water, Shane decides to avoid the desert, because the drier climate means that the odds of finding water are
Choices:
greater
lesser
Answer: B
Background: Heavier objects also have more friction because they press together with greater force.

Question: Bob moves a large table across the floor. After, he moves a smaller chair. Which piece of furniture had less friction?
Choices:
chair
table.
Answer: A
Background: In exponential growth as the population size increases, the growth rate also increases.

Question: The growth rate _____ as the population decreases in exponential growth.
Choices:
increases
decreases
Answer: B
Background: This is because the lower blood volume in the vessels exerts less pressure on the vessel walls.

Question: If Mona's body experiences a greater volume of blood in her blood vessels, what is happening to the pressure in her vessel walls?
Choices:
increasing
decreasing
Answer: A
Background: The greater the force that is applied to an object of a given mass, the more the object will accelerate.

Question: If Jim begins applying more force to a basketball that he is rolling along the ground, what will happen to the basketball?
Choices:
accelerate faster
accelerate slower
Answer: A
Background: An increase in glaciers lowers sea level and a decrease in glaciers raises sea level.

Question: Jimbo was sailing in the ocean when he a few glaciers around his ship. The next year he sailed back to that same spot and noticed that there were many more glaciers around the ship. If there are more glaciers, what does that mean about the sea level?
Choices:
it's lower
it's higher
Answer: A
Background: With exponential growth, the population starts out growing slowly. As population size increases, the growth rate also increases.

Question: When a rabbit farmer begins a farm he starts with just a few rabbits. If the rabbits are cared for and fed does the population
Choices:
decrease
increase
Answer: B
Background: The greater the force that is applied to an object of a given mass, the more the object will accelerate.

Question: If Jim begins applying less force to a basketball that he is rolling along the ground, what will happen to the basketball?
Choices:
accelerate faster
accelerate slower
Answer: B
Background: Leaves can have the following adaptations to reduce transpiration rate: Small or narrow leaves to reduce the surface area over which water vapour is lost

Question: A bigger leaf will have _____ lost water vapour than a small one.
Choices:
less
more
Answer: B
Background: The water erodes the softer rock faster than the harder rock.

Question: A hard rock will erode _____ than a soft rock.
Choices:
faster
slower
Answer: B
Background: Convection on early Earth was faster and so plate tectonics was faster.

Question: As tectonic plates float on magma what would happen if the magma moved less?
Choices:
less earthquakes
more earthquakes
Answer: A
Background: The closer your finger is to your eyes, the greater the position changes because of parallax.

Question: Harry is 6 feet away from you and Sara is 15 feet away. Who will appear to move less farther away if they both take one step?
Choices:
Harry
Sara
Answer: B
Background: This means the rate of diffusion is much slower in liquids than in gases, because the particles of a gas are further apart and collide much less.

Question: If Milo traps gases in a small chamber after having them in a large chamber, what will happen to the rate of collisions between gas particles?
Choices:
increase
decrease
Answer: A
Background: The Southern Hemisphere has less trash buildup in the oceans because less of the region is continent.

Question: If North America is larger then Asia, which continent experiences less trash buildup?
Choices:
North America
Asia
Answer: B
Background: This causes the delivery of less oxygen to the cells, and this stimulates the heart rate via adrenalin, so that pulse rate increases in an effort to deliver enough oxygen to cells.

Question: Sandra was suddenly scared and her adrenal glands secreted adrenaline to prepare her fight or flight response, which caused her heart rate to
Choices:
decrease?
increase
Answer: B
Background: In a Mercator projection, because Greenland is closer to the pole, the continents shape and size are greatly increased.

Question: Milo is making a map for school. If he places a country close to the North Pole, what will happen to the size and shape of that country on the map?
Choices:
increase
decrease
Answer: A
Background: This means the rate of diffusion is much slower in liquids than in gases, because the particles of a gas are further apart and collide much less.

Question: Between air and water, the particles in _____ likely collide more.
Choices:
air
water
Answer: B
Background: Alkanes with more carbon atoms generally have higher boiling and melting points.

Question: If Mona adds more carbon atoms to her alkane, what happens to the boiling point of that alkane?
Choices:
increases
decreases
Answer: A
Background: As photosynthesis increases, the amount of stored glucose in the guard cells increases.

Question: Mike is growing flowers, so he grows some large ones and some small ones. The amount of stored glucose in the cells of the smaller plants, compared to the larger ones will be
Choices:
lesser
greater
Answer: A
Background: Friction causes the molecules on rubbing surfaces to move faster, so they have more energy. This gives them a higher temperature, and they feel warmer.

Question: Eric stopped rubbing a blanket on his arm. His arm gets warmer because the molecules inside get
Choices:
faster
slower
Answer: B
Background: Heavier objects press together with greater force, and this causes greater friction between them.

Question: Darrel puts two bowling balls together, then puts two tennis balls together. The bowling balls have friction that is
Choices:
greater
lesser
Answer: A
Background: Pressure: Pressure increases with depth, but increased pressure raises the melting temperature, so melting of rock is less likely to occur at higher pressures.

Question: As you dive shallower into the trenches in the ocean what happens to the pressure?
Choices:
decreases
increases
Answer: A
Background: What this means is that at higher magnification, we are able to see objects of smaller and smaller size within our field of view.

Question: Mick wants to see some very small ants less clearly. Mick will choose a magnifying glass that has a magnification that is
Choices:
lower
higher
Answer: A
Background: The lower the pH value is, the greater is the concentration of hydrogen ions and the stronger the acid.

Question: If Mona is adding chemicals to her swimming pool and she lowers the pH value of the water, what happens to the acidity of the water in the pool?
Choices:
increase
decrease
Answer: A
Background: The smaller the distance between the objects, the greater the force of magnetic attraction.

Question: When we put two magnets close to each other they become
Choices:
less attracted
more attracted
Answer: B
Background: Drier climates generally have less water for people to use.

Question: Jimbo notices over time that his climate has become wetter. This means the amount of water available to him is probably
Choices:
increasing
decreasing
Answer: A
Background: Heavier objects also have more friction because they press together with greater force.

Question: A 10 pound box would be easier or harder to shove than a 100 pound box?
Choices:
harder
easier
Answer: B
Background: This means the rate of diffusion is much slower in liquids than in gases, because the particles of a gas are further apart and collide much less.

Question: Between air and water, the particles in _____ likely collide less.
Choices:
air
water
Answer: A
Background: The water erodes the softer rock faster than the harder rock.

Question: Compared to the hardest stone, diamonds, a very soft stone like limestone would
Choices:
erode more slowly in water
erode more quickly in water?
Answer: B
Background: With better food and less chance of disease, the death rate fell.

Question: A flu vaccine was administered to residents in a large city and the vaccine was effective in lowering the risk of flu among the residents. This means that the lower risk of disease resulted in a
Choices:
higher death rate
lower death rate.
Answer: B
Background: Lower pH numbers are more acidic and higher numbers are less acidic (also called more alkaline).

Question: Shampoos with high ph are
Choices:
less acidic
more or
Answer: A
Background: As more protons are added to the nucleus, the electromagnetic force of repulsion between them gets stronger, while the strong nuclear force of attraction between them gets weaker.

Question: If Jim is observing a nucleus and he notices the electromagnetic force is decreasing, that means the nuclear force is
Choices:
increasing
decreasing
Answer: A
Background: Waves with greater amplitudes or shorter wavelengths have more energy.

Question: What are the energy levels that are in a very short wave?
Choices:
high
low
Answer: B
Background: In a parallel circuit, the resistance decreases as more resistors are added in parallel.

Question: What would happen to the reduce of Jim's parallel circuit if he added fewer resistors to it?
Choices:
increased resistance
decreased resistance
Answer: A
Background: The higher the crests are, the greater the amplitude of the wave.

Question: Jeff decreases the waves' crests' height in the simulation. The amplitude is now
Choices:
higher
lower
Answer: B