What Do You Know About Energy

Wind is what type of energy?

• Renewable

• Non-Renewable

What changes wind energy into electricity?

• Windmill

• Windsock

• Wind Turbine

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True or False; Wind energy is the most expensive energy in the world

• True

• False

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What are the following devices called?

• Mills

• Converters

• Weathervanes

• Turbines

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About _______ of electricity produced in the US comes from wind.

• 0.1%

• 5%

• 9%

• 15%

Which country is currently the leader in wind energy production?

• Germany

• China

• The US

• Spain

Currently ______ of the electricity made in Virginia comes from wind.

• 0%

• 5%

• 10%

• 15%

What is potential energy?

• How fast an object can move.

• The force that makes an object move.

• The unused energy stored in an unmoving object.

• All of the above.

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The potential energy of a car at the top of a ramp is affected by:

• The car's shape.

• The height of the ramp.

• The car's speed.

• The length of the ramp.

True or false? Two objects with the same mass sitting at different heights have the same potential energy.

• True

• False