Across
- 5. when atoms are rearranged to make a new substance
- 9. how hot or cold something is
- 10. the amount of energy something uses in a period of time
- 12. this states energy can never be created or destroyed
- 13. matter is made of these little particles
- 15. this device keeps the heart beating correctly
Down
- 1. unit for measuring energy
- 2. how much energy is used when supplied to a device
- 3. a unit of power
- 4. when one type of energy is turned into another
- 6. stored energy in food and fuel
- 7. energy that is supplied but escapes and is not used for its intended purpose
- 8. the force that holds atoms together
- 11. a diagram which shows how energy is transformed or transfered
- 14. this can never be created or destroyed