Waves Crossword

3. The number of waves passing a point per second.
4. The region in a longitudinal wave where particles are spread apart.
5. When a wave bounces off a surface.
6. A wave with higher energy than visible light, responsible for sunburns.
8. A high-energy wave used in medical imaging.
10. The repeated motion of particles in a wave.
11. The distance a wave travels per unit of time.
13. A type of wave where oscillations are parallel to the direction of energy transfer.
14. The distance between two corresponding points on a wave.
16. A wave used for cooking and satellite communication.
17. The part of the spectrum that human eyes can detect.
18. The region in a longitudinal wave where particles are close together.
20. The full range of electromagnetic waves.
21. The time taken for one complete wave cycle.

1. The unit of frequency.
2. The bending of a wave as it passes from one medium to another.
7. The maximum displacement from the rest position.
9. The longest wavelength electromagnetic wave, used in broadcasting.
12. The most energetic type of electromagnetic wave, used in cancer treatment.
15. A type of wave where oscillations are perpendicular to the direction of energy transfer.
19. A type of wave associated with heat and thermal imaging.