Energy

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Across
  1. 3. Anything __________ gives off light energy.
  2. 5. Anything with a temperature above ____________ (-273°C) has heat energy.
  3. 11. As more heat gets trapped in the Earth it become warmer, this is called the _______________ effect.
  4. 13. A fire cannot burn without this.
  5. 14. A aeroplane stores this type of energy because of its position above the ground.
  6. 15. If the population continues to rise we will need more________.
  7. 16. A substance that is burnt at power stations to give us electricity.
Down
  1. 1. Energy that comes from under the earths surface.
  2. 2. The law of ____________ states that energy cannot be created or destroyed.
  3. 4. A type of renewable energy that cannot be used all the time.
  4. 6. One of the poisonous gases that damage our atmosphere.
  5. 7. Once it has been used it cannot be used again.
  6. 8. The fuel that is used for nuclear power.
  7. 9. The scientific name for movement energy.
  8. 10. Energy that comes from a source that is naturally replenished.
  9. 12. Petrol is stored as this type of energy.