Energy transfer

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Across
  1. 3. energy output that is not wanted
  2. 7. Energy spreads out into the atmosphere
  3. 9. the unit for energy
  4. 10. energy is transferred in this way when a force is applied
  5. 11. this means energy cannot be created or destroyed
  6. 12. A non renewable source of energy which is radioactive
Down
  1. 1. A type of energy that cannot be stored only transferred
  2. 2. A renewable source of energy
  3. 4. An object or group of objects
  4. 5. an energy store found in a fire
  5. 6. This is added to reduce energy wasted as thermal energy due to friction
  6. 8. useful energy/total input energy