Across
- 3. The change in direction and usually speed of a wave as it crosses a boundary between two different media.
- 4. A microscope piece of matter.
- 7. the change in a wave's frequency experienced by an observer moving in relation to the wave's source.
- 9. To change direction in response to hitting a surface.
- 10. A form of electromagnetic radiation.
Down
- 1. Distance between two crests on a wave.
- 2. to travel in particular direction through a substance.
- 5. a repeating motion that travels through a medium, transferring energy from one point to another.
- 6. how often a wave cycle is completed in a given unit of time.
- 8. A measure of the size of a wave, from zero to the most distant point on the y-axis.