Across
- 1. An object that can split light
- 5. Cells in the eye that respond to colour
- 6. Energy transfer without a medium
- 7. When an image is in the mirror
- 8. Highest energy electromagnetic radiation
- 9. A primary colour of light
- 12. Colour an object appear when it reflects all light
- 13. Light ray bouncing off the mirror
- 14. Light produced in a living thing
- 17. UV
- 18. Property of an image (flipped?)
- 19. Light produced be heating an object
Down
- 2. Blue+Red
- 3. Light ray hitting the mirror
- 4. Number of colours in a rainbow
- 6. Longest wavelength on electromagnetic spectrum
- 10. An object that produces light
- 11. Reflection of light that does not form an image
- 15. Light cannot pass through it
- 16. Complementary colour to red