Across
- 1. energy that allows us to see
- 3. - A type of wave where particles vibrate at right angles to direction of energy transfer
- 5. A high pitched sound has a high ......
- 8. A type of wave where particles vibrate parallel to the direction of energy transfer
- 10. heat transfer through a liquid or gas
- 11. heat transfer through a vacuum
Down
- 2. An instrument used to measure temperature
- 4. The loudness of sound is determined by ......
- 6. This is why light changes direction when it enters glass or water
- 7. frequency of sound is measured in these units
- 9. substance that allows heat to pass through it
- 12. energy is caused by vibrations through solid, liquid or gas