Across
- 4. A transfer of energy associated with motion
- 6. The energy transferred out of a system in the way intended
- 8. A transfer of energy
- 10. Radiators store this type of energy
- 12. The energy transferred into a system
- 14. The energy transferred out of a system which isn't useful
- 15. A way of representing the energy transfers in a system
- 16. A store of energy to do with movement
- 17. Energy cannot be created or ...
- 18. Energy is measured in
Down
- 1. A match stores this type of energy
- 2. The output energy when a person climbs a set of stairs
- 3. The energy stored in a rubber band
- 5. The total amount of energy is always ...?
- 7. The rate of transfer of energy
- 9. The proportion of useful energy to total input energy
- 11. Transfer of energy in a torch
- 13. Power is measured in
