Across
- 2. when a spring gets closed
- 3. when a radio has static
- 5. how often a wave is
- 6. when a spring opens
- 7. when something gets further away
- 10. bottom of a wave
- 12. how long a wave is
- 14. transition
- 15. the start of a wave
Down
- 1. wave electromagnetic
- 4. throwing back by a body or surface of light
- 8. when something gets closer
- 9. water
- 11. when something gets soaked up
- 13. top of a wave