Forms of Energy

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Ellie plugs in a radio and turns it on. What change in energy takes place when she does this?

Light energy changes into sound energy

Electrical energy changes into sound energy (correct)

Sound energy changes into electrical energy

Chemical energy changes into sound energy

Fossil fuels are the most common source of energy. What else is true of fossil fuels?

They are renewable

They form quickly underground

They can be made in a laboratory

They are burned to release energy (correct)

A rolling ball has kinetic energy. What does it mean for an object ro have kinetic energy?

The object is in motion (correct)

The object has stored energy

The object has used all of its energy

The object is passing on its energy

Objects can have potential energy because of their position. What object has potential energy?

Book sitting on a table Signup and view all the answers

Objects may have potential energy or kinetic energy. How do potential energy and kinetic energy compare to each other?

Both are forms of mechanical energy Signup and view all the answers

Which forms of energy are produced by the sun?

Heat and light Signup and view all the answers

Which energy change takes place when an electric hair dryer is used?

Electricity to heat and sound energy Signup and view all the answers

Which object has potential energy but not kinetic energy?

A roller coaster car stopped on the top of a hill Signup and view all the answers

Which form of energy is stored in this container?

Chemical energy Signup and view all the answers

How could you increase the pitch of a sound produced by an object?

Make the object vibrate faster Signup and view all the answers

Forms of Energy

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Questions and Answers

Ellie plugs in a radio and turns it on. What change in energy takes place when she does this?

Fossil fuels are the most common source of energy. What else is true of fossil fuels?

A rolling ball has kinetic energy. What does it mean for an object ro have kinetic energy?

Objects can have potential energy because of their position. What object has potential energy?

Objects may have potential energy or kinetic energy. How do potential energy and kinetic energy compare to each other?

Which forms of energy are produced by the sun?

Which energy change takes place when an electric hair dryer is used?

Which object has potential energy but not kinetic energy?

Which form of energy is stored in this container?

How could you increase the pitch of a sound produced by an object?

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