Across
- 4. When light bounces off of an object.
- 5. The bending of light waves around opaque obstacles.
- 7. The scientific term for how long a light wave is.
Down
- 1. Colors based on temperature.
- 2. Colors of light humans can't see.
- 3. Light bending or passing through a different medium.
- 6. How we measure light's colors.