## Energy Stores Answers

## 1. What is the name of the energy stored by a moving object?

## Kinetic energy

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## 2. True or false? Energy can NOT be created

## True

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## 3. What is the gravitational potential energy stored in a 60 kg person sitting at the top of a 2 m high slide? (g = 10 N/kg)

## 1200 J

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## 4. What form of energy is stored in a chunk of coal?

## Chemical energy

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## 5. True or false? A stretched catapult is an elastic store of energy

## True

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## 6. How much potential energy is gained by a 3 kg object raised by 5 m? (g = 10 N/kg)

## 150 J

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## 7. How much potential energy is gained by a 7 kg object raised by 26 m? (g = 10 N/kg)

## 1820 J

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## 8. What is the equation to calculate kinetic energy?

## mass x height x gravitational field strength

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## 9. True or false? Energy can be destroyed

## False, energy can be transferred but not destroyed

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## 10. Which type of appliance would convert electrical energy into sound energy?

## Speaker

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