allenai/quartz huggingface dataset:
Background: The increase in turgor pressure of the guard cells results in the opening up of the stomata which results in increased transpiration.

Question: If Mona is observing some plants in her greenhouse and she determines the turgor pressure of the guard cells in her basil plant has increased, what happens to the rate of transpiration of that basil plant?
Choices:
increases
decreases
Answer: A
Background: The longer the amount of time since species diverged, the more differences there will be in their DNA or proteins.

Question: Camels, compared to dogs, will have differences in their DNA that is
Choices:
less
more
Answer: A
Background: As wavelength increases, frequency decreases.

Question: If Mona is broadcasting on her shortwave radio and she increases the wavelength, what happens to the frequency of the waves?
Choices:
increase
decrease
Answer: B
Background: The more energy the wave has, the farther the particles of the medium move.

Question: Compared to a tidal wave , will a ripple in a mud puddle move water particles
Choices:
not as far?
farther
Answer: A
Background: In erosion, the more energy the water has, the larger the particle it can carry.

Question: If the energy of water decreases, the size of the particle it can carry will
Choices:
increase
decrease
Answer: B
Background: A sunscreen with a higher SPF protects the skin longer.

Question: John was looking at sunscreen at the retail store. He noticed that sunscreens that had higher SPF would offer protection that is
Choices:
Longer
Shorter
Answer: A
Background: The greater the mass of an object, the less it will accelerate when a given force is applied.

Question: A car that has had weights removed from its trunk will accelerate _____ than before.
Choices:
faster
slower
Answer: A
Background: Magmas that produce lighter colored minerals are higher in silica.

Question: Dell added lots of silica to her magma project. The magma will be _____ in color.
Choices:
lighter
darker
Answer: A
Background: When particles of matter are closer together, they can more quickly pass the energy of vibrations to nearby particles.

Question: When two magnets get closer to each other they are attracted
Choices:
slower
faster
Answer: B
Background: Smaller pieces dissolve more easily.

Question: Mike had to put some medicine in his children's water that came in little tablets cause they were sick. Because his son was younger, Mike was going to put a smaller tablet in the son's drink. This smaller tablet, compared to the sister's bigger one, would dissolve
Choices:
slower.
quicker
Answer: B
Background: Increases the sheen on leaves to make them more reflective.

Question: Billy was taking care of his plants and noticed that the leaves on them were different. On one he could actually see his own image reflected back on the leaves while the other he couldn't see himself at all. He concluded that the one he could see his image on had
Choices:
more sheen
less sheen
Answer: A
Background: When valence electrons are farther from the nucleus, they are attracted less strongly by the nucleus and more easily removed from the atom.

Question: Kira is noting how valence electrons might be attracted by the nucleus. She sees that currently, the valence electrons are farther from the nucleus, which means they are attracted
Choices:
more strongly
less strongly
Answer: B
Background: Friction causes the molecules on rubbing surfaces to move faster, so they have more heat energy.

Question: If you rub your hands together slowly you get _____ heat
Choices:
more
less
Answer: B
Background: A stronger acid produces more hydrogen ions than a weaker acid.

Question: Would the use of non-acidic tap water instead of acidic vinegar in a reaction produce
Choices:
more hydrogen ions
fewer hydrogen ions?
Answer: B
Background: When particles of matter are closer together, they can more quickly pass the energy of vibrations to nearby particles.

Question: If Mona is adding helium to a balloon and she increases the amount she is adding, what happens to the amount of energy the helium particles can pass amongst each other?
Choices:
decreases
increases
Answer: B
Background: As rock breaks into smaller pieces, the surface area of the pieces increases.

Question: If Milo breaks his cookie into small pieces, what was the surface area of the cookie before being broken?
Choices:
increased
decreased
Answer: B
Background: At a lower temperature, particles of the medium are moving more slowly, so it takes them longer to transfer the energy of the sound waves.

Question: David turns ups the temperature in the cabin, so energy of sound waves is moving
Choices:
slower
faster
Answer: B
Background: When the temperature of reactants is higher, the rate of the reaction is faster.

Question: Something that is very hot will wind up having a
Choices:
slow reaction
fast reaction
Answer: B
Background: The shorter the resistor, the less resistance it has.

Question: John bought two resistors- one 5 inches long and the other is 3 inches long. The 3 inch resistor will have _____ resistance than the 5 inch resistor.
Choices:
more
less
Answer: B
Background: Smaller pieces dissolve more easily.

Question: Compared to a large rock, small pieces of sand are able to dissolve
Choices:
easier
harder
Answer: A
Background: Deeper aquifers typically contain older 'fossil water.'

Question: If Jim wants to find a lower concentration of old fossil water he needs to move _____ into an aquifer?
Choices:
deeper
shallower
Answer: B
Background: Therefore, deeper rock layers must be older than layers closer to the surface.

Question: Willard dug up a rock from down deep, and realized it was _____.
Choices:
old
young
Answer: A
Background: Smaller pieces dissolve more easily.

Question: Compared to a small rock, large granules of sand are able to dissolve
Choices:
easier
harder
Answer: B
Background: Places where particles of a medium crowd closer together are called compressions, and places where the particles spread farther apart are called rarefactions. The more energy the wave has, the closer together the particles are in compressions and the farther apart they are in rarefactions.

Question: Rick creates a wave with 10N of force, and he compares it to a normal wave with 100N of force. The wave with closer particles has _____ of force.
Choices:
10N
100N
Answer: B
Background: The more energy the wave has, the farther the particles of the medium move.

Question: When Derek was observing waves, he noted that some had more energy than others. The waves with less energy had particles that were
Choices:
further
closer
Answer: B
Background: Therefore, deeper rock layers must be older than layers closer to the surface.

Question: Harry drilled 1000 feet to find a rock. Will picked a rock up off of the ground. Whose rock is likely older?
Choices:
Will
Harry
Answer: B
Background: If the kidneys remove less water from the blood, the blood will look darker, because there is less water in it.

Question: Yolanda's kidneys were working well and removed more water from her blood. Her blood now looks
Choices:
darker
lighter
Answer: B
Background: As wavelength increases, frequency decreases.

Question: If Jim is tuning his shortwave radio and he decreases the wavelength, what happens to the frequency?
Choices:
decreases
increases
Answer: B
Background: When valence electrons are farther from the nucleus, they are attracted less strongly by the nucleus and more easily removed from the atom.

Question: Ronald is an electron 20nm from his nucleus. Winnie is an electron 25nm from the nucleus. Who is more attracted to the nucleus?
Choices:
Ronald
Winnie
Answer: A
Background: The higher the resistance of the resistor, the more energy is transferred within the resistor.

Question: If Mona wants to maximize energy transference in the electrical device she is building, what should she do to the resistance of the resistors inside of it?
Choices:
increase
decrease
Answer: A
Background: When the temperature of reactants is higher, the rate of the reaction is faster.

Question: Silvia was running an experiment in the science lab. However, the building's old A/C unit broken in the middle of it. As as result she should expect her experiments's reactants to work
Choices:
faster
slower
Answer: A
Background: As wavelength increases, frequency decreases.

Question: A decreasing in frequency means wavelength has
Choices:
increased
decreased
Answer: A
Background: As wavelength increases, frequency decreases.

Question: An increase in frequency means wavelength has
Choices:
increased
decreased
Answer: B
Background: As rock breaks into smaller pieces, the surface area of the pieces increases.

Question: When the glass shattered the volume decreased but the surface area
Choices:
decreased
increased
Answer: B
Background: The greater the mass of an object, the more matter it contains.

Question: Joe is carrying a bowling ball with a diameter of 8.5 inches and 16 pounds and Larry is holding a basketball that is 30 inches and 22 ounces. The bowling ball contains _____ matter than the basketball.
Choices:
less
more
Answer: B
Background: More greenhouse gases trap more heat and warm the atmosphere.

Question: If Jim begins emitting more greenhouse gases into the air it means that the air will become
Choices:
warmer
cooler
Answer: A
Background: Increases the sheen on leaves to make them more reflective.

Question: Dean found a leaf with a sheen and a leaf that did not have one. Which leaf is more reflective?
Choices:
the leaf with a sheen
the leaf with no sheen
Answer: A
Background: The land heats up and cools off faster than the water because it has lower specific heat.

Question: If Milo is studying the specific heat of two objects and he finds that a basketball has a lower specific heat compared to a baseball, which item will cool off slower after being heated up?
Choices:
basketball
baseball
Answer: B
Background: A stronger acid produces more hydrogen ions than a weaker acid.

Question: If you find an acid that has many hydrogen ions, it is probably
Choices:
weak
strong
Answer: B
Background: The larger the light collecting area, the more light a telescope gathers and the higher resolution (ability to see fine detail) it has.

Question: Eric builds a 60ft telescope. Will builds a 10ft telescope. Whose telescope gathers less light?
Choices:
Eric
Will
Answer: B
Background: Places where particles of a medium crowd closer together are called compressions, and places where the particles spread farther apart are called rarefactions. The more energy the wave has, the closer together the particles are in compressions and the farther apart they are in rarefactions.

Question: When two things are very attracted to each other what are their energy levels?
Choices:
low
high
Answer: B
Background: A camera shutter stays open longer in dim light to let more light in.

Question: If James is taking pictures with his camera and he decides to leave his shutter open less, what happens to the amount of light the lens lets in?
Choices:
increases
decreases
Answer: B
Background: An increase in greenhouse gases will increase the changes that are already being seen including in ocean acidity.

Question: When the ocean loses greenhouse gases what happens to it?
Choices:
gains acidity
loses acidity
Answer: B
Background: The greater the mass of the objects, the stronger the gravitational force of attraction between them.

Question: Will was lifting weights at the gym. The force of gravity between him and a 20 pound weight is likely _____ than that between him and a 5 pound weight.
Choices:
lower
higher
Answer: B
Background: If the kidneys remove less water from the blood, the blood will look darker, because there is less water in it.

Question: If Jim's blood contains less water, the darkness of his blood will be
Choices:
decreased
increased
Answer: B
Background: Objects that are closer together have a stronger force of gravity.

Question: Would a rocket approaching the moon feel
Choices:
more gravitational pull from the moon
less gravitational pull from the moon?
Answer: A
Background: The longer the amount of time since species diverged, the more differences there will be in their DNA or proteins.

Question: Species that diverged long after two other species diverged will have _____ similarities in their DNA.
Choices:
more
less
Answer: A
Background: The more energy the wave has, the farther the particles of the medium move.

Question: Jim sends a wave with great energy and a wave with low energy in the same direction. The _____ wave travels less far.
Choices:
weak
strong
Answer: A
Background: With more surfaces of the rocks exposed, there are more places for chemical weathering to occur.

Question: Olive and Jean were collecting rocks during a hike, they collected too many rocks so the two girls decided to leave some rocks behind to come back to later. Olive decided to bury her rocks in the dirt, and Jean decided to leave hers in a ditch in the sun. When they returned a week later, which girl's rocks changed the most?
Choices:
Jean
Olive
Answer: B
Background: As wavelength increases, frequency decreases.

Question: If Mona is broadcasting on her shortwave radio and she decreases the wavelength, what happens to the frequency of the waves?
Choices:
increase
decrease
Answer: A
Background: Deeper aquifers typically contain older 'fossil water.'

Question: Dan is swimming deeper and deeper into water. The water the deeper he goes will be
Choices:
younger
older
Answer: B
Background: A sunscreen with a higher SPF protects the skin longer.

Question: Karen and Andie went to the beach together. Andie was trying to work on her tan so she used a sunscreen with a SPF 15, while Karen used a sunscreen with SPF 45, which Sunscreen protected the skin less?
Choices:
Sunscreen SPF 15
Sunscreen SPF 45
Answer: A
Background: The greater the mass of an object, the less it will accelerate when a given force is applied.

Question: A large car will accelerate _____ than a very small car.
Choices:
faster
slower
Answer: B
Background: With more surfaces of the rocks exposed, there are more places for chemical weathering to occur.

Question: Jimbo goes out mining and exposes the surface of some rocks. Now that more of the rock surface is exposed, what happens to the places that chemical weathering can occur?
Choices:
they increase
they decrease
Answer: A
Background: Deeper aquifers typically contain older 'fossil water.'

Question: Dan is swimming into shallower water. The water the shallower he goes will be
Choices:
younger
older
Answer: A
Background: If we take a certain amount of gas from one container and place it into another, larger container, the gas expandsto fill the larger container. The same mass of gas is now in a larger volume, the gas now has a lower density.

Question: Reid puts the same amount of gas in a 20ml container and a 10ml container. The container with the densest gas will be the _____ container.
Choices:
20ml
10ml
Answer: B
Background: When the temperature of reactants is higher, the rate of the reaction is faster.

Question: To get the fastest reaction, raise the temperature of the reactants
Choices:
lower
higher or
Answer: B
Background: Smaller pieces dissolve more easily.

Question: Mike had to put some medicine in his children's water that came in little tablets cause they were sick. Because his son was older, Mike was going to put a bigger tablet in the son's drink. This smaller tablet, compared to the sister's smaller one, would dissolve
Choices:
slower.
quicker
Answer: A
Background: The more energy the wave has, the farther the particles of the medium move.

Question: A wave that _____ in energy will cause the particles of the medium to move further.
Choices:
increases
decreases
Answer: A
Background: When valence electrons are farther from the nucleus, they are attracted less strongly by the nucleus and more easily removed from the atom.

Question: When you get closer to the sun are planets more or less attracted to the sun?
Choices:
more
less
Answer: A
Background: If we take a certain amount of gas from one container and place it into another, larger container, the gas expandsto fill the larger container. The same mass of gas is now in a larger volume, the gas now has a lower density.

Question: If you fill a smaller canister with gas from a large canister will the density
Choices:
increase
decrease
Answer: A
Background: If the kidneys remove less water from the blood, the blood will look darker, because there is less water in it.

Question: Shane went to the hospital and had blood drawn. His blood was very dark, so his kidneys removed
Choices:
more water
less water
Answer: B
Background: Places where particles of a medium crowd closer together are called compressions, and places where the particles spread farther apart are called rarefactions. The more energy the wave has, the closer together the particles are in compressions and the farther apart they are in rarefactions.

Question: If Milo is measuring energy waves in science class and he finds one that has less energy then another, are the particles in that wave closer or farther apart then in a wave with less energy?
Choices:
farther apart
closer
Answer: A
Background: The larger the light collecting area, the more light a telescope gathers and the higher resolution (ability to see fine detail) it has.

Question: Eric builds a 60ft telescope. Will builds a 10ft telescope. Whose telescope gathers more light?
Choices:
Eric
Will
Answer: A
Background: With more surfaces of the rocks exposed, there are more places for chemical weathering to occur.

Question: Jimbo goes out mining and hides the surface of some rocks. Now that less of the rock surface is exposed, what happens to the places that chemical weathering can occur?
Choices:
they increase
they decrease
Answer: B
Background: As more water covered the land, sand and silt were washed in and covered the dead vegetation, enabling more and more plants to grow.

Question: If more waters falls on an area of land it will cause _____plants to grow in that area?
Choices:
more
less
Answer: A
Background: The greater the mass of an object, the more matter it contains.

Question: Mona is creating some vases out of clay. If she increases the mass of her vases by adding clay to them, what happens to the amount of matter they contain?
Choices:
decrease
increase
Answer: B
Background: Places where particles of a medium crowd closer together are called compressions, and places where the particles spread farther apart are called rarefactions. The more energy the wave has, the closer together the particles are in compressions and the farther apart they are in rarefactions.

Question: If Milo is measuring energy waves in science class and he finds one that has more energy then another, are the particles in that wave closer or farther apart then in a wave with less energy?
Choices:
farther apart
closer
Answer: B
Background: When valence electrons are farther from the nucleus, they are attracted less strongly by the nucleus and more easily removed from the atom.

Question: Sharon is conducting an experiment on valence electrons and soon discovers that when they are closer to the nucleus, they are _____ easily removed from the atom.
Choices:
more
less
Answer: B
Background: Friction causes the molecules on rubbing surfaces to move faster, so they have more heat energy.

Question: Joseph began sanding the plank faster and faster, increasing the friction on the rubbing surface. As he does so, the heat energy
Choices:
increases
decreases.
Answer: A
Background: Friction causes the molecules on rubbing surfaces to move faster, so they have more heat energy.

Question: Fred had a bundle of sticks and spread them apart to build a fire. The molecules in the wood became _____ due to Fred's motion.
Choices:
faster
slower
Answer: B
Background: With more surfaces of the rocks exposed, there are more places for chemical weathering to occur.

Question: Dana is looking at two surfaces to see which has been eroded first. One surface is a large rock, the other is a small rock. The large rock will be eroded
Choices:
more
less
Answer: A
Background: The more energy the wave has, the farther the particles of the medium move.

Question: Jim sends a wave with great energy and a wave with low energy in the same direction. The _____ wave travels farther.
Choices:
weak
strong
Answer: B
Background: More greenhouse gases trap more heat and warm the atmosphere.

Question: The planet gets warmer when there are more or less greenhouse gases?
Choices:
less
more
Answer: B
Background: The larger the light collecting area, the more light a telescope gathers and the higher resolution (ability to see fine detail) it has.

Question: If Milo is building a telescope and he decreases the area that collects light, what can he expect to happen to the amount of light the telescope gathers?
Choices:
increase
decrease
Answer: B
Background: At a lower temperature, particles of the medium are moving more slowly, so it takes them longer to transfer the energy of the sound waves.

Question: If Mona increases the temperature on the solution she is creating, what happens to the speed of particles in that solution?
Choices:
increases
decreases
Answer: A
Background: As rock breaks into smaller pieces, the surface area of the pieces increases.

Question: Will takes away half of a rock. The total surface area of the rock has now
Choices:
decreased
increased
Answer: A
Background: An increase in greenhouse gases will increase the changes that are already being seen including in ocean acidity.

Question: Evan measures the pH of the ocean at 7. Last century it measured at 6. A(n) _____ in greenhouse gases likely resulted in this change.
Choices:
increase
decrease
Answer: B
Background: The greater the mass of an object, the more matter it contains.

Question: Steve knows that the mass of Joe's car is greater than the mass of Flo's car. He concludes that _____ contains more matter than the other.
Choices:
Joe's car
Flo's car
Answer: B
Background: Cells that are very active would typically have more mitochondria than cells that are less active.

Question: Jim is comparing two cells. One seems to have more activity then the other. Will the cell exhibiting more activity have
Choices:
more mitochondria
less mitochondria
Answer: A
Background: If the energy cost of obtaining energy increases, the resource will be used even faster.

Question: Jim, the manager of the new nuclear energy plant, realized that the energy cost of running the plant was rising. This means that the rate that the resource will be used will
Choices:
decrease
increase
Answer: B
Background: If the kidneys remove less water from the blood, the blood will look darker, because there is less water in it.

Question: When you are mixing paints if you add more water the colors will be
Choices:
darker
lighter
Answer: B
Background: Glaciers often form in the mountains because higher altitudes are colder and more likely to have snow that falls and collects.

Question: People rarely go snow skiing in the plains because lower altitudes are _____ and are less likely to have snow.
Choices:
warmer
colder
Answer: A
Background: A camera shutter stays open longer in dim light to let more light in.

Question: If Mary is taking a picture and she opens the camera shutter wider, what will happen to the amount of light that gets in?
Choices:
decrease
increase
Answer: B
Background: A stronger acid produces more hydrogen ions than a weaker acid.

Question: Would the use of vinegar instead of tap water in a reaction produce
Choices:
more hydrogen ions
fewer hydrogen ions?
Answer: A
Background: The more energy the wave has, the farther the particles of the medium move.

Question: A wave that _____ in energy will cause the particles of the medium to move less far.
Choices:
increases
decreases
Answer: B
Background: As rock breaks into smaller pieces, the surface area of the pieces increases.

Question: When the shards of glass were remelted together, the surface area
Choices:
decreased
increased
Answer: A
Background: The larger the light collecting area, the more light a telescope gathers and the higher resolution (ability to see fine detail) it has.

Question: Tim's university upgraded to a new telescope with a mirror that was a foot large in diameter than the old one. Tim will notice that he will be able to see details more clearly on celestial bodies using the
Choices:
old telescope
new telescope.
Answer: B
Background: Cells that are very active would typically have more mitochondria than cells that are less active.

Question: When a cell is dead and inactive it will have what level of mitochondria?
Choices:
low
high
Answer: A
Background: The gravitational force increases with mass and decreases with the distance between the bodies.

Question: John was watching the physics calculator and noted a profound finding. As the mass increases, the pull of the gravitational force
Choices:
Decreases
Increases
Answer: B
Background: A stronger acid produces more hydrogen ions than a weaker acid.

Question: Mike wants to get the most hydrogen ions that he can out of his acid, so he will get an acid that is
Choices:
weaker
stronger
Answer: B
Background: The increase in turgor pressure of the guard cells results in the opening up of the stomata which results in increased transpiration.

Question: Dana increases turgor pressure of the guard cells, forcing the stomata open, which will cause transpiration to be
Choices:
increased
decreased
Answer: A
Background: Cells that are very active would typically have more mitochondria than cells that are less active.

Question: Reed saw a cell through a microscope. He sees a cell has more visible mitochondria than the rest. This cell likely is _____ active compared to the others.
Choices:
more
less
Answer: A
Background: The greater the mass of an object, the less it will accelerate when a given force is applied.

Question: Evan weighs 200 pounds while Sasha weighs 100 pounds. Who flies the farthest when pushed off the diving board?
Choices:
Evan
Sasha
Answer: B
Background: Objects that are closer together have a stronger force of gravity.

Question: An asteroid hurtled toward the planet Mars. The gravitational pull between the asteroid and Mars will be stronger
Choices:
when the asteroid is far away
when the asteroid gets closer.
Answer: B
Background: The higher the resistance of the resistor, the more energy is transferred within the resistor.

Question: Tom was managing a resistor and noticed that the resistance within it was higher than he expected. This would mean that the amount of energy transferred in the resistor was
Choices:
higher
lower
Answer: A
Background: Cells that are very active would typically have more mitochondria than cells that are less active.

Question: If Jimbo is observing cells in a petri dish and he notices some cells that are particularly active and some cells that aren't very active at all, which cells will have less mitochondria?
Choices:
active cells
not very active cells
Answer: B
Background: The greater the mass of the objects, the stronger the gravitational force of attraction between them.

Question: If Mona is a sculptor and she is making two clay vases, what happens if she increases the mass of the vases by adding clay to them?
Choices:
gravitational force of attraction is stronger
gravitational force of attraction is weaker
Answer: A
Background: As rock breaks into smaller pieces, the surface area of the pieces increases.

Question: Don wants to be able to melt butter quickly. He starts with a large chunk of it, and it melts very slowly. Dan chops the butter up in order to do this with the surface area
Choices:
increase
decrease
Answer: A
Background: An increase in greenhouse gases will increase the changes that are already being seen including in ocean acidity.

Question: If Jim's country increases the amount of greenhouse gases that it emits, the acidity of the ocean's on the planet will
Choices:
increase
decrease
Answer: A
Background: With more surfaces of the rocks exposed, there are more places for chemical weathering to occur.

Question: If Mona is digging and she uncovers more rock, what happens to the total area that chemical weathering can occur?
Choices:
increase
decrease
Answer: A
Background: At a lower temperature, particles of the medium are moving more slowly, so it takes them longer to transfer the energy of the sound waves.

Question: Ollie sees particles in a medium move very quickly. This medium is likely at a very _____ temperature.
Choices:
low
high
Answer: B
Background: Objects that are closer together have a stronger force of gravity.

Question: Objects that are farther apart have a _____ force of gravity.
Choices:
stronger
weaker
Answer: B
Background: More greenhouse gases trap more heat and warm the atmosphere.

Question: What would happen to Earth's atmosphere if the amount of greenhouse gases in it was increased?
Choices:
warm up
cool down
Answer: A
Background: The greater the mass of the objects, the stronger the gravitational force of attraction between them.

Question: If Mona is a sculptor and she is making two clay vases, what happens if she decreases the mass of the vases by removing clay from them?
Choices:
gravitational force of attraction is stronger
gravitational force of attraction is weaker
Answer: B
Background: When particles of matter are closer together, they can more quickly pass the energy of vibrations to nearby particles.

Question: If Mona is removing helium from a balloon and she increases the amount she is removing, what happens to the amount of energy the helium particles can pass amongst each other?
Choices:
decreases
increases
Answer: A
Background: A sunscreen with a higher SPF protects the skin longer.

Question: When going out in the sun you wear a high SPF sunscreen because it protects
Choices:
worse
better
Answer: B
Background: Places where particles of a medium crowd closer together are called compressions, and places where the particles spread farther apart are called rarefactions. The more energy the wave has, the closer together the particles are in compressions and the farther apart they are in rarefactions.

Question: Compared to a ripple in a pond caused by a drop of rain, would a wave in the ocean have
Choices:
more closely spaced particles in its rarefactions?
more distantly spaced particles in its rarefactions
Answer: B
Background: An increase in greenhouse gases leads to greater greenhouse effect.

Question: Reid is modelling the greenhouse effect in a simulation. If he increases greenhouse gas levels, the greenhouse gas effect will
Choices:
decrease
increase
Answer: B
Background: An increase in greenhouse gases leads to greater greenhouse effect.

Question: If the people in Mary's country start to produce less greenhouse gases from driving cars, what will happen to the greenhouse effect in their country?
Choices:
increase
decrease
Answer: B
Background: A stronger acid produces more hydrogen ions than a weaker acid.

Question: If Mona is creating an acid and she makes it weaker, what happens to the amount of hydrogen ions that acid can produce?
Choices:
increases
decreases
Answer: B
Background: The greater the mass of the objects, the stronger the gravitational force of attraction between them.

Question: Two large suns moving closer will have _____ gravitational force between them than two small suns.
Choices:
more
less
Answer: A
Background: The shorter the resistor, the less resistance it has.

Question: John bought two resistors- one 2 inches long and the other is 3 inches long. The 3 inch resistor will have _____ resistance than the 2 inch resistor.
Choices:
more
less
Answer: A
Background: A sunscreen with a higher SPF protects the skin longer.

Question: Mary and Clare go to the beach. Mary uses a sunscreen with SPF 45. Clare uses a sunscreen that has an SPF of 20. Who skin will be protected more?
Choices:
Mary
Clare
Answer: A
Background: As more water covered the land, sand and silt were washed in and covered the dead vegetation, enabling more and more plants to grow.

Question: Jeff drained his rice field in the wintertime. The field likely will produce _____ crops when he uses it.
Choices:
more
less
Answer: B
Background: In erosion, the more energy the water has, the larger the particle it can carry.

Question: Don is watching rocks be eroded by water. Since the water is moving so slow and calmly, Don can tell that the particles being carried away by the water are
Choices:
larger
smaller
Answer: B
Background: With more surfaces of the rocks exposed, there are more places for chemical weathering to occur.

Question: Trina is a scientist who studies the surfaces of rocks. She is studying two rocks in particular to see which has more places for chemical weathering. The first rock has 1 square meter of surface space exposed. The second rock has 2 square meters of rock exposed. Therefore, the _____ rock will have more places for chemical weathering.
Choices:
first
second
Answer: B
Background: Increases the sheen on leaves to make them more reflective.

Question: When there is a lot of sheen on a piece of glass it is:
Choices:
dull
reflective
Answer: B
Background: Glaciers often form in the mountains because higher altitudes are colder and more likely to have snow that falls and collects.

Question: Ruth climbed down a mountain and noticed that it was considerably warmer suddenly. The warmth is due to Ruth being at an altitude that is
Choices:
higher
lower
Answer: B
Background: The more gradual the slope of the inclined plane, the less input force is needed and the greater the mechanical advantage.

Question: We can find a better mechanical advantage if the inclined plane has a _____ gradual slope.
Choices:
less
more
Answer: B
Background: A stronger acid produces more hydrogen ions than a weaker acid.

Question: If Mona is creating an acid and she makes it stronger, what happens to the amount of hydrogen ions that acid can produce?
Choices:
increases
decreases
Answer: A
Background: As more water covered the land, sand and silt were washed in and covered the dead vegetation, enabling more and more plants to grow.

Question: Jeff flooded his rice field in the wintertime. The field likely will produce _____ crops when he uses it.
Choices:
more
less
Answer: A
Background: If the energy cost of obtaining energy increases, the resource will be used even faster.

Question: John was watching the power levels when he noticed something about the energy. When the cost of the energy decreased, the usage of the resource would be
Choices:
Slower
Faster
Answer: A
Background: The higher the resistance of the resistor, the more energy is transferred within the resistor.

Question: A resistor with weakening resistance will transfer _____ energy.
Choices:
more
less
Answer: B
Background: Cells that are very active would typically have more mitochondria than cells that are less active.

Question: Reed saw a cell through a microscope. He sees a cell has less visible mitochondria than the rest. This cell likely is _____ active compared to the others.
Choices:
more
less
Answer: B
Background: An increase in greenhouse gases leads to greater greenhouse effect.

Question: One side effect of driving cars is the production of greenhouse gases. If more cars are added to the roads, what would happen to the greenhouse effect on the Earth's atmosphere?
Choices:
it would become greater
it would become smaller
Answer: A
Background: Glaciers often form in the mountains because higher altitudes are colder and more likely to have snow that falls and collects.

Question: When Dean went to the top of the mountain and reached the peak, he noticed that the bottom of the mountain, compared to the top, had snow in amounts that were
Choices:
larger
smaller
Answer: B
Background: If we take a certain amount of gas from one container and place it into another, larger container, the gas expandsto fill the larger container. The same mass of gas is now in a larger volume, the gas now has a lower density.

Question: Reid puts the same amount of gas in a 20ml container and a 10ml container. The container with less dense gas will be the _____ container.
Choices:
20ml
10ml
Answer: A
Background: With more surfaces of the rocks exposed, there are more places for chemical weathering to occur.

Question: Dana is looking at two surfaces to see which has been eroded first. One surface is a large rock, the other is a small rock. The small rock will be eroded
Choices:
more
less
Answer: B
Background: More greenhouse gases trap more heat and warm the atmosphere.

Question: Scientists discovered a region where there was a much smaller amount of greenhouse gases getting caught in the atmosphere. Compared to other regions, this region's atmosphere will have a
Choices:
higher temperature
lower temperature
Answer: B
Background: Deeper aquifers typically contain older 'fossil water.'

Question: If Mona is exploring and aquifer and she dives into a less deep part of it, what happens to the levels of fossil water she encounters?
Choices:
they increase
they decrease
Answer: B
Background: If we take a certain amount of gas from one container and place it into another, larger container, the gas expandsto fill the larger container. The same mass of gas is now in a larger volume, the gas now has a lower density.

Question: Jason fills up a balloon with helium. After a while, he decides to fill a larger balloon with the helium with the balloon. The gas in the smaller balloon will have a density that is
Choices:
higher
smaller.
Answer: B
Background: Friction causes the molecules on rubbing surfaces to move faster, so they have more heat energy.

Question: Joseph began sanding the plank slower and slower, decreasing the friction on the rubbing surface. As he does so, the heat energy
Choices:
increases
decreases.
Answer: B
Background: An object with more mass has greater thermal energy than an object with less mass because it has more atoms.

Question: If Mona is observing two objects and she realizes that one has a smaller mass then the other, what does that tell her about that object's thermal energy?
Choices:
it's greater
it's smaller
Answer: B
Background: The higher the resistance of the resistor, the more energy is transferred within the resistor.

Question: When something has low resistance it transfers
Choices:
more
less
Answer: B
Background: Smaller pieces dissolve more easily.

Question: If Mary drops a 1 cm piece of salt into a glass of water and a .5 cm piece of salt into the water, which will dissolve slower?
Choices:
1 cm piece of salt
.5 cm piece of salt
Answer: A
Background: In erosion, the more energy the water has, the larger the particle it can carry.

Question: If the energy of water increases, the size of the particle it can carry will
Choices:
increase
decrease
Answer: A
Background: Magmas that produce lighter colored minerals are higher in silica.

Question: Donald is comparing types of magma, and notices that some samples have lighter minerals than other samples. The samples that are darker likely have
Choices:
more silica
less silica
Answer: B
Background: Magmas that produce lighter colored minerals are higher in silica.

Question: john was looking at the magma from the helicopter. He could see quite plainly that the lighter colored minerals had a silica content that was
Choices:
Higher
Lower
Answer: A
Background: As wavelength increases, frequency decreases.

Question: As sound saves get bigger their frequency
Choices:
increase
decreases
Answer: B
Background: Therefore, deeper rock layers must be older than layers closer to the surface.

Question: Mike is digging for old rocks. Mike dig downs very, very deep, and he expects the rocks there to be
Choices:
older
younger
Answer: A
Background: Places where particles of a medium crowd closer together are called compressions, and places where the particles spread farther apart are called rarefactions. The more energy the wave has, the closer together the particles are in compressions and the farther apart they are in rarefactions.

Question: Rick creates a wave with 10N of force, and he compares it to a normal wave with 100N of force. The wave with farther apart particles has _____ of force.
Choices:
10N
100N
Answer: A
Background: Smaller pieces dissolve more easily.

Question: Will cut up small pieces of butter in the pan. These pieces dissolve _____ easily than the whole stick.
Choices:
more
less
Answer: A
Background: The increase in turgor pressure of the guard cells results in the opening up of the stomata which results in increased transpiration.

Question: Compared to a dehydrated plant cell with very low intercellular pressure, would a healthy plant with cells with high guard cell pressure have
Choices:
lower rates of transpiration?
higher rates of transpiration
Answer: B
Background: As rock breaks into smaller pieces, the surface area of the pieces increases.

Question: If Jim assembles a large rock from many small pieces, what happens to the total surface area of the rocks?
Choices:
it increases
it decreases
Answer: B
Background: Deeper aquifers typically contain older 'fossil water.'

Question: When you look at a pool if it's more shallow it has
Choices:
more water
less water
Answer: B
Background: Magmas that produce lighter colored minerals are higher in silica.

Question: The lightest magma-produced minerals probably have _____ amounts of silica.
Choices:
higher
lower
Answer: A
Background: Magmas that produce lighter colored minerals are higher in silica.

Question: john was looking at the magma from the helicopter. He could see quite plainly that the darker colored minerals had a silica content that was
Choices:
Higher
Lower
Answer: B
Background: The gravitational force increases with mass and decreases with the distance between the bodies.

Question: As Wren pushed away her boyfriend, the gravitational pull was _____.
Choices:
decreased
increased
Answer: A
Background: If we take a certain amount of gas from one container and place it into another, larger container, the gas expandsto fill the larger container. The same mass of gas is now in a larger volume, the gas now has a lower density.

Question: Carey watched the exhaust smoke leave the pipes, and saw it disintegrate into the garage. The smoke had _____ density now.
Choices:
higher
lower
Answer: B
Background: The land heats up and cools off faster than the water because it has lower specific heat.

Question: Evan applied a dryer to a patch of dirt and a similarly-sized patch of water. The water likely heats up and cools _____ than the land due to its lower specific heat.
Choices:
faster
slower
Answer: B
Background: The more gradual the slope of the inclined plane, the less input force is needed and the greater the mechanical advantage.

Question: _____ input force will be needed on an inclined plane with a very steep slope.
Choices:
more
less
Answer: A
Background: When valence electrons are farther from the nucleus, they are attracted less strongly by the nucleus and more easily removed from the atom.

Question: Kira is noting how valence electrons might be attracted by the nucleus. She sees that currently, the valence electrons are closer to the nucleus, which means they are attracted
Choices:
more strongly
less strongly
Answer: A
Background: A sunscreen with a higher SPF protects the skin longer.

Question: Karen and Andie went to the beach together. Andie was trying to work on her tan so she used a sunscreen with a SPF 15, while Karen used a sunscreen with SPF 45, which Sunscreen protected the skin more?
Choices:
Sunscreen SPF 15
Sunscreen SPF 45
Answer: B
Background: The greater the mass of an object, the more matter it contains.

Question: Steve knows that the mass of Joe's car is greater than the mass of Flo's car. He concludes that _____ contains more matter than the other.
Choices:
Joe's car
Flo's car
Answer: A
Background: A stronger acid produces more hydrogen ions than a weaker acid.

Question: Mike wants to get the fewest hydrogen ions that he can out of his acid, so he will get an acid that is
Choices:
weaker
stronger
Answer: A
Background: At a lower temperature, particles of the medium are moving more slowly, so it takes them longer to transfer the energy of the sound waves.

Question: As an object slows down, it will become _____.
Choices:
warmer
cooler
Answer: B
Background: Glaciers often form in the mountains because higher altitudes are colder and more likely to have snow that falls and collects.

Question: Ice is more common at the top of mountains because it is
Choices:
hotter
colder
Answer: B
Background: The shorter the resistor, the less resistance it has.

Question: As an emergency improvisation to increase the resistance of a circuit as much as possible, and assuming each were made of the same material, would it be better to use
Choices:
a metal coat hanger bent to its maximum length
a paperclip bent to its maximum length?
Answer: A
Background: A camera shutter stays open longer in dim light to let more light in.

Question: Hassan and Ratna each received new automatic cameras as presents. To test their new cameras, Hassan took a picture of the beach that afternoon, while Ratna waited until it was dark outside to take a picture of a python in the moonlight. The shutter of whose camera stayed open longer?
Choices:
Hassan
Ratna
Answer: B
Background: The larger the light collecting area, the more light a telescope gathers and the higher resolution (ability to see fine detail) it has.

Question: Tim's university upgraded to a new telescope with a mirror that was a foot large in diameter than the old one. Tim will notice that he will see details less clearly on celestial bodies using the
Choices:
old telescope
new telescope.
Answer: A
Background: An object with more mass has greater thermal energy than an object with less mass because it has more atoms.

Question: A large apple will have _____ thermal energy than a small apple.
Choices:
more
less
Answer: A
Background: When valence electrons are farther from the nucleus, they are attracted less strongly by the nucleus and more easily removed from the atom.

Question: Sharon is conducting an experiment on valence electrons and soon discovers that when they are farther from the nucleus, they are _____ easily removed from the atom.
Choices:
more
less
Answer: A
Background: The greater the mass of an object, the less it will accelerate when a given force is applied.

Question: Carla is pushing two carts down a street. One cart is heavy, the other is light. The heavy cart, compared to the light one, will accelerate
Choices:
slowly
quickly
Answer: A
Background: If we take a certain amount of gas from one container and place it into another, larger container, the gas expandsto fill the larger container. The same mass of gas is now in a larger volume, the gas now has a lower density.

Question: Carey watched the air cleaner sucking smoke into a container, leaving the garage. The smoke had _____ density now.
Choices:
higher
lower
Answer: A
Background: The more gradual the slope of the inclined plane, the less input force is needed and the greater the mechanical advantage.

Question: Dean is trying to slide a rock down a hill using more input force. The slope of the hill that will be ideal for Dean is one that has a slope that is
Choices:
sudden
gradual
Answer: A
Background: The shorter the resistor, the less resistance it has.

Question: As an emergency improvisation to decrease the resistance of a circuit as much as possible, and assuming each were made of the same material, would it be better to use
Choices:
a metal coat hanger bent to its maximum length
a paperclip bent to its maximum length?
Answer: B
Background: Smaller pieces dissolve more easily.

Question: Will cut up big pieces of butter in the pan. These pieces dissolve _____ easily than small pieces.
Choices:
more
less
Answer: B
Background: As rock breaks into smaller pieces, the surface area of the pieces increases.

Question: Don wants to be able to melt butter quickly. He starts with a small chunk of it, and it melts very slowly. Dan combines the butter in order to do this with the surface area
Choices:
increase
decrease
Answer: B
Background: The shorter the resistor, the less resistance it has.

Question: A piece of wire that is long will have _____ resistance than one that is very long.
Choices:
more
less
Answer: A
Background: The greater the mass of an object, the less it will accelerate when a given force is applied.

Question: A car that is very heavy will accelerate
Choices:
faster
slower
Answer: B