Across
- 3. The reason some colours are not seen
- 5. fifth colour in the rainbow
- 6. third colour in the rainbow
- 10. Some light passes through but not distinct shapes
- 11. fourth colour in the rainbow
- 14. Occurs with shinny and smooth objects
- 15. sixth colour in the rainbow
- 16. It is the fastest thing in the universe
Down
- 1. shortest wave length in a rainbow
- 2. all visible light
- 4. Light cannot pass through
- 7. second colour in the rainbow
- 8. A light source created by humans
- 9. Occurs when light travels between air and water
- 12. Longest wave length in a rainbow
- 13. A light source that happens in nature
- 17. All light passes through