Across
- 5. Low-energy waves used for communication
- 7. The only electromagnetic waves humans can see
- 9. When a wave bounces off a surface
- 10. The region of a longitudinal wave where particles are spread farther apart
- 13. The highest-energy electromagnetic waves
- 14. The speed at which electromagnetic waves travel in a vacuum
- 16. When a wave passes through a material
- 17. How many waves pass a point in one second
- 19. The distance between repeating points on a wave
- 21. Waves used for cooking food and communication
- 22. The lowest point of a transverse wave
- 23. The material or substance through which a mechanical wave travels
- 24. The region of a longitudinal wave where particles are crowded together
Down
- 1. felt as heat
- 2. The highest point of a transverse wave
- 3. Energy that travels as waves or particles
- 4. The height of a wave that shows its energy
- 6. A space with no matter where EM waves can travel
- 8. All types of electromagnetic waves arranged by wavelength and energy
- 11. The ability to do work or cause change
- 12. High-energy waves that can cause sunburn
- 15. When a material takes in energy from a wave
- 18. When a wave bends as it enters a new material
- 19. A vibration or disturbance that transfers energy without moving matter long distances
- 20. Waves that pass through soft tissue but not bone