Across
- 2. A representation of a system that helps us understand it.
- 3. Letting some light through, but not clear.
- 9. A triangular glass that can separate white light into colors.
- 10. The distance between two crests of a wave.
- 11. When light bounces off a surface.
- 12. A characteristic of an object, like its color or hardness.
- 14. When light bends as it passes through something.
Down
- 1. Blocking all light from passing through.
- 2. Anything that has mass and takes up space.
- 4. Letting light pass through so you can see clearly.
- 5. When light is taken in by an object.
- 6. The band of colors in a rainbow.
- 7. A dark area where light is blocked.
- 8. What we see from a lamp or the sun.
- 13. The ability to make things move or change.