Energy

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Across
  1. 2. A way of preventing loss of heat
  2. 3. Potential, The energy store of objects up high
  3. 5. The useful energy out divided by the total energy in
  4. 6. The energy store of food
  5. 7. The unit for energy
  6. 9. A material that is good at transferring heat
Down
  1. 1. The energy store of moving objects
  2. 4. The energy store of hot objects
  3. 8. The energy store due to objects being stretched
  4. 10. When energy is wasted and is transferred to the surroundings