Energy

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Across
  1. 2. One way of reducing unwanted energy transfers.
  2. 3. A device which transfers more energy usefully is more…
  3. 4. What word describe the rate at which energy is transferred?
  4. 8. Eventually most energy ends up being transferred to the thermal energy store of the…
  5. 9. When a spring is stretched which of its energy is filled?
  6. 11. A powerful device transfers a large amount of energy in a short amount of…
  7. 13. When an object speed up which of its energy stores is filled?
  8. 14. Unit power is measured in?
Down
  1. 1. When an object is lifted above the ground which of its energy stores is filled?
  2. 5. When water is boiled which of its energy stores is filled?
  3. 6. Unit energy is measured in?
  4. 7. What word describes an object or group of objects and their surroundings.
  5. 10. When wood is burnt which of its energy stores is emptied?
  6. 12. Another word for a non-useful energy transfer.