Energy 2

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Across
  1. 3. rate at which energy is transferred
  2. 4. unit for measuring energy
  3. 7. measure of how hot something is
  4. 8. when a force acts on an object
  5. 10. internal energy due to temperature
  6. 13. law the states energy cannot be created or destroyed only transferred
  7. 15. the amount of energy needed to raise the temp of 1kg by 1C
  8. 17. the amount of matter in an object
  9. 20. energy store such as food or fuel
  10. 21. transfer of thermal energy through fluids
  11. 22. potential energy store up high
Down
  1. 1. picture where colour represents temperature
  2. 2. a store of energy
  3. 5. transfer of thermal energy through solids
  4. 6. 'pull'0f the force of gravity
  5. 9. useful output divide by total input
  6. 11. force of gravity acting on a mass
  7. 12. potential energy store in a spring
  8. 14. when energy spreads into the surroundings
  9. 16. reduces heat transfer from hot objects
  10. 18. energy due to movement
  11. 19. reduces friction in moving parts