Across
- 3. crest to crest or trough to trough
- 7. this wave moves perpendicular to the particles
- 9. bottom of a wave
- 10. this wave moves parallel to the particles
- 11. what moves energy but not mater
- 15. a seismic seismic wave that is trapped near the surface of the earth
Down
- 1. waves per second
- 2. how tall a wave is from resting point to crest or resting point to trough
- 4. waves have a medium speed in this medium
- 5. top of a wave
- 6. vibrations in the air
- 8. waves move fastest in this medium
- 12. ability to move
- 13. waves move slowest in this medium
- 14. frequency is measured in
