Across
- 1. To strike a surface and bounce back in the opposite direction
- 5. Curved inward
- 6. Curved piece of material that bends light as it passes through
- 7. Triangular piece of glass that can separate white light into different colors
- 10. Curved outward
- 11. Distance between one peak and the next on a wave
- 12. Point where light rays come together
Down
- 2. Describes materials that allow some light but can not be seen through
- 3. To direct light at one point
- 4. Describes materials that can be seen through
- 8. To bend light as it passes through a material
- 9. Membrane at the back of the eye onto which focused light falls