Energy transfer

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