Across
- 1. A material that a wave travels through.
- 2. No light gets through.
- 5. What waves carry.
- 6. Wave where the vibrations move at right angles to the direction of the wave.
- 7. Where the particles of a longitudinal wave are close together.
- 9. Where the particles of a longitudinal wave are spread out.
- 10. Light waves change directions and produce colors.
- 11. Distance from the crest of one wave to the crest of the next.
- 12. Wave where the vibrations move the same direction as the wave.
- 13. Some light gets through.
- 15. A space with no matter.
- 16. Height of a wave.
- 17. Time it takes for one wave to pass.
- 18. Bottom of a wave
Down
- 1. Disturbance in matter that carries energy from one place to another.
- 3. Top of a wave
- 4. Light bounces off a surface and changes direction.
- 5. A wave of energy consisting of electric and magnetic fields moving at right angles to each other.
- 8. Number of complete waves per second.
- 14. No light gets through.