Waves, Sound and Light

3. The length of one wave from start to finish
7. The unit of frequency
11. Waves that move the matter at right angles to the direction the waves travel
14. The low part of a transverse wave
15. The part of a longitudinal wave where the particles are packed tight together
16. The unit for a sound's loudness
17. This type of electromagnetic wave has the longest wavelength and the lowest frequency
20. The two types of waves are transverse and __________
21. All electromagnetic waves travel at the speed of ___________
23. _____________ can either be constructive or destructive

1. The speed of sound at _____________ degrees Celsius is 343 m/s
2. An apple appears red because it reflects red wavelengths and __________ the other colors
4. You cannot see any light through this type of material
5. The electromagnetic spectrum puts the waves in order of increasing ________
6. When all the primary colors of light are combined you get this color
8. When a sound moves towards you the waves get __________ ____________
9. Diffraction is when a wave hits a ________ and bends
10. Music is when notes combine and it has a pleasant effect. _____ does not have pleasing patterns
12. A straw appears broken in a glass of water because of this phenomenon
13. This type of electromagnetic wave can destroy cells - including cancer
18. Sound has to travel through a ___________, liquid, or gas
19. The ________ pitch sounds have a larger frequency
22. When red and green light combine you get this color
24. The reflection of a sound wave