The size of the milkweed leaves that the caterpillars eat
The ability of the caterpillars to eat toxic leaves without being harmed
The number of milkweed leaves the caterpillars eat each day
The number of leaves on the milkweed plants that the caterpillars visit each summer
The light rays that travel through water and then into air are refracted.
The light rays that travel through water and then into air are enlarged.
The light rays that travel through air and then into water are reflected.
The light rays that travel through air and then into water are reduced.
The warming of air
The formation of clouds
Sand and mud from the Gulf of Mexico were washed ashore by tsunamis.
The river cut through the solid bedrock of the valley.
The river deposited large amounts of sediment from land erosion.
Hurricanes pushed soil and debris from the Gulf of Mexico onto the land.
Drop the same marble from different heights into the pan of flour
Drop marbles of different masses from the same height into the pan of flour
Drop marbles of different sizes from different heights into the pan of flour
Drop a single marble one time into the pan of flour
Chigger larvae have legs.
Chiggers have a nymph phase.
Chiggers go through metamorphosis.
Chigger larvae hatch from eggs.
The battery needs only one metal post to connect to the bell, but the other metal post is present in case the first post fails to work.
The battery needs to form a complete circuit that starts with one metal post and ends with the other metal post.
One metal post makes a complete circuit with the switch, and the other metal post makes a complete circuit with the bell.
One metal post makes the bell start to ring, and the other metal post makes the bell ring louder
Allow more sunlight to reach the soil
Prevent the plant from producing flowers
Encourage the release of carbon dioxide from the stems
Reduce the amount of water lost through evaporation
The physical state changed.
The orange color became lighter
The liquid had a sweeter taste.
None of the above
Temperature of one day
Type of soil
Light, mechanical, and thermal
Electrical and thermal
Mechanical, light, and electrical
Thermal and mechanical
By producing fruit and storing water
By capturing sunlight and getting rid of waste materials
By absorbing water and supporting the plant in loose, sandy soil
By releasing nutrients into the sandy soil and taking in oxygen
More light is reflected off white paint.
More light is refracted by white paint.
More light passes through white paint.
More light is absorbed by white paint.
The metal pan creates thermal energy.
The metal pan insulates thermal energy.
The metal pan conducts thermal energy.
The metal pan reduces thermal energy.
Erosion by wind
Water freezing and thawing
Erosion by fast-moving water
Sediments being deposited
The population of predators that eat prairie dogs will decrease.
The population of plants that prairie dogs eat will decrease.
The nutrients in the soil will increase.
The number of underground tunnels will increase.