Across
- 1. Material which light can travel through.
- 3. Material which does not let light through.
- 5. A beam of light drawn on diagrams as a straight line.
- 6. A picture which forms in a mirror/made by lenses.
- 7. When light rays bounce off in all directions.
- 9. To bounce off something.
Down
- 2. Light bouncing back from a surface.
- 4. Smooth and flat.
- 7. A place where light cannot reach.
- 8. This means to "soak up" or "take in."