Across
- 4. is a wave whose oscillations are perpendicular
- 7. highest point of a wave
- 8. distance between two points of waves
- 9. is used for short-range communication
- 12. uses EM waves to create pictures inside your body
- 13. are the cause of sounds
- 16. is the maximum displacement or distance moved by a point
- 17. in the EM spectrum that can be seen in the eye
- 18. is a disturbance that moves energy
- 19. lowest point of a wave
- 20. a substance or material that can carry a wave
Down
- 1. uses EM waves to penetrate food
- 2. waves of energy that travel through the Earth
- 3. number of waves that pass a fixed point
- 5. can travel in a medium or a vacuum
- 6. is a mechanical wave
- 10. has the lowest frequency in the EM
- 11. has the highest frequency in the EM
- 14. vibration of a medium is a parallel
- 15. is the radiation from the sunlight