Energy

Which of the following converts kinetic energy into electrical energy?

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• 
• 
• 

Which of the following does not give off useful heat energy?

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Which of the following types of energy produced is only harmful?

• Sound energy from an electric drill

• Heat energy from a hairdryer

• Kinetic energy from a helicopter

• Light energy from a television

The three types of potential energy are gravitational, ________ and ________.

• chemical, kinetic

• chemical, elastic

• kinetic, magnetic

• electrical, sound

At which part does the rollercoaster have the highest gravitational potential energy?

• A

• B

• C

• D

At which part does the rollercoaster have the highest kinetic energy?

• A

• B

• C

• D