Energy by Peggy Bresnick Kendler

What is potential energy best described as?

• Energy created by magnets

• The energy in food

• Energy of motion

• Stored energy waiting to be used

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What demonstrates kinetic energy?

• A battery powering a flashlight

• A book on a shelf

• A rolling soccer ball

• A magnet attracting iron

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How can potential energy transform?

• Into electrical energy directly

• By splitting atoms

• Into kinetic energy when it starts moving

• It cannot transform

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What creates an electromagnet?

• Permanent magnets touching metal

• Electric current flowing through a wire

• Rubbing a piece of iron with a magnet

• Placing a metal in sunlight

How can you control an electromagnet?

• By changing its shape

• By cooling it down

• By painting it

• By turning the electricity on and off

Where might you find electromagnets in everyday life?

• In a wooden chair

• In your speakers

• In a glass of water

• In a plastic toy

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What is kinetic energy?

• The energy stored in food

• The energy a body possesses due to its position

• The energy of motion

• The energy stored in batteries

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What happens when you turn off the electricity to an electromagnet?

• It turns into a regular piece of metal

• It becomes hotter

• It loses its magnetic properties

• It becomes a permanent magnet

Why are electromagnets considered useful?

• They can only attract iron

• They use a lot of electricity

• They can be turned on and off

• They are always on

What is an example of potential energy?

• A flying bird

• A moving car

• A stretched rubber band

• A burning candle

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