​ (a)   is the ability to do work. ​ (b)   are rapid movements back and forth.

• Energy
• Vibrations

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What is energy?

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Where do plants get energy to make food?

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How is sound a kind of energy?

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How is heat a kind of energy?

• It can do work by warming things

• It can do work by traveling by vibrations

• It creates food for plants.

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What is energy?

• Light

• Heat

• Sound

• All of the above

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Who created all energy?

A candle and a light bulb produce two kinds of energy. Can you tell what they are? ​ (a)  

What kind of energy us used to cook your meals? ​ (b)  

What kind of energy is at work when you sing, or hear something? ​ (c)  

• light and heat energy
• Heat energy
• Sound energy

Match the following

• Electricity

• coming from the sun

• fuel

• a material that is burned to release energy

• solar

• The flow of electrical power or charge

What energy source do sailors depend on to move sailing ships?

• Wind energy

• Solar energy

• Sound energy

• Heat energy

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