Across
- 4. measured in decibels
- 7. complete spectrum of electromagnetic wave frequencies and wavelengths
- 9. how low or high as sound seems
- 11. waves that cause particles to move at right angles to the direction of the wave
- 13. bending of light around an object
- 14. distance between two adjacent crests
Down
- 1. describes the behavior of waves when they strike a surface
- 2. type of wave in which particles move back and forth along the direction the wave travels
- 3. wavelengths between 400 billionths and 10 billionths of a meter
- 5. the change in direction of a wave when it travels from one medium to another
- 6. repeated echoes of sound waves
- 8. the number of wavelengths that pass by a point each second
- 10. type of wave emitted by all warm bodies
- 12. carries energy from one place to another