Energy

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Across
  1. 2. how heat travels through a solid
  2. 3. when heat travels in straight lines in all directions; can happen in a vacuum too
  3. 7. movement energy
  4. 8. the unit for energy
  5. 11. panels are used to collect this form of energy by radiation
  6. 12. stored energy
  7. 13. the type of potential energy in a stretched catapult
Down
  1. 1. this type of energy source of requires a dam to be built
  2. 2. the type of potential energy stored in food, fuels and batteries
  3. 4. coal, oil and gas are examples of this type of fuel
  4. 5. a source of energy that will not run out
  5. 6. the way heat travels through liquids and gases
  6. 9. a source of energy that WILL run out
  7. 10. the type of potential energy an object has on the edge of a cliff