Energy

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Across
  1. 2. to cause something to become warm or hot.
  2. 5. Gases gases that pollute the air and cause the warming of the Earth's atmosphere <carbon dioxide
  3. 8. something that makes vision possible, either you switch it on or comes up naturally.
  4. 10. panel a large, flat piece of equipment that uses the sun's light or heat to create electricity.
  5. 11. a natural movement of air.
Down
  1. 1. the ability to control things or people.
  2. 3. usable power that comes from heat, electricity.
  3. 4. a material that is burned to produce heat or power ( oil, gas).
  4. 6. a form of energy that is carried through wires and is used to operate machines, lights etc.
  5. 7. a black hard substance within the earth that is used as fuel.
  6. 9. a substance that is like air and has no fixed shape.