Scott Foresman Science Chapter 6

Wind turbines change kinetic energy into ________ energy.

• chemical

• electirc

• nuclear

• sound

The amount of kinetic energy depends on:

• mass

• speed

• mass and speed

• direction

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The faster the blades turn the ____ kinetic energy is made.

• same

• more

• less

• none of these

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Which type of energy is stored?

• potential

• kinetic

• seismic

• radiant

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There is more gravitational potential energy when there is more____.

• mass

• volume

• distance

• mass and distance

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Which type of electricity is made with gravitational potential energy?

• solar

• wind

• geothermal

• hydroelectric

What is it called when one type of energy changes into another type of energy?

• energy change

• energy transfer

• energy transformation

• energy creation

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What does the law of energy conservation say?

• energy can be transformed

• energy cannot be created

• energy cannot be destroyed

• all of these

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What energy transformation happens to keep these eggs warm?

• radiant to thermal

• electric to thermal

• mechanical to thermal

• kinetic to thermal

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What equation do we use to calculate work?

• work = force + distance

• work = force - distance

• work = force x distance

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