Across
- 1. A cut piece of clear glass or plastic that separates white light into a spectrum
- 5. A substance a wave travels through
- 7. the repetition of sound caused by a reflection of sound waves of a surface
- 10. A wave moving by the power of electric and magnetic fields
- 12. A lens that curves inward and spreads light rays apart
- 13. The bending of a wave as it passes between two substances
- 15. A region of a sound wave where particles are close together
- 16. Pressure of vibrating particles caused by something vibrating
Down
- 2. A band of colors produced when white light is separated into all its colors
- 3. completely blocking light from passing through
- 4. A wave that requires a medium to travel through
- 6. A region of sound waves where particles are far apart
- 8. Letting all light through so that objects on the other side can be seen clearly
- 9. Letting only some light through that objects on the other side appear blurry
- 11. A periodic back and fourth motion
- 14. An organ allowing humans and other animals to hear