VA Science Review

Which of these animals is classified as a vertebrate?

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An electromagnet can be made using a battery, insulated wire, and -

• an iron nail

• an aluminum can

• a nickel coin

• a gold chain

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High and low tides on the coast are caused mostly by -

• underwater earthquakes

• the gravity from the moon

• storms over the ocean

• the tilt of Earth

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The plant shown grows in swamps and produces an odor similar to a skunk. Why should people preserve a plant like the skunk cabbage?

• It depends on a moist environment.

• It has a certain role in the ecosystem.

• It is prized by gardeners for its flowers.

• It has leaves that are about the same shape as each other.

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Which pair of organisms needs to switch places for the ocean food chain to be correct?

• Phytoplankton and fish

• Animal-like plankton (zooplankton) and fish

• White shark and phytoplankton

• White shark and animal-like plankton (zooplankton)

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Students investigated how different colors of construction paper in a solar oven affect the heating of water. Which graph correctly represents the data for the brown construction paper?

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A student made a track for a toy sled using 4 different materials. At which section of the track is friction most likely to cause the greatest resistance to the motion of the toy sled?

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• 2

• 3

• 4

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Which pair of colors is in order from the longest wavelength of light in the visible spectrum to the shortest wavelength?

• Green, orange

• Yellow, red

• Violet, blue

• Red, violet

Based on the mineral identification table, which mineral belongs in square X of the flow chart?

• Mica

• Graphite

• Magnetite

• Hornblende

The conveyor belt moves the groceries by transforming electrical energy into -

• thermal energy

• radiant energy

• mechanical energy

• potential energy

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