Across
- 2. the energy stored in a battery
- 6. the force of gravity on an object
- 8. high energy particles escape from the surface of a liquid
- 9. energy due to motion
- 13. random motion of smoke in air
- 14. energy source from the Earth's heat
- 15. force muliplied by time
- 16. unit of temperature
- 17. a reflected sound wave
Down
- 1. a wave bends when passing from one medium to another
- 3. thermal radiation
- 4. force resisting motion
- 5. the spreading out of a wave after passing a gap
- 7. heat transfer in a fluid
- 10. from gas to liquid
- 11. the highest velocity of a falling object
- 12. the number of waves per second
