Across
- 3. Lamps and the sun produce this.
- 4. Sponges do this with water
- 6. Produce
- 9. Sun, flashlights, and lamps.
- 10. How many peaks pass in a second.
- 12. Lines showing characteristics of a wave.
- 13. A wave's highest point.
- 15. Distance of a wave.
- 16. In the ocean, or energy path.
- 17. To go through
Down
- 1. Mental picture
- 2. Invisible light
- 5. Range of wavelenghts
- 7. Anything that has mass and uses space.
- 8. Atoms make up these.
- 11. A mirror does this.
- 14. The speed something happens.