Across
- 2. focuses the light in the eye
- 5. image produced by a plane (flat) mirror
- 6. causes colors on a soap bubble
- 9. light travels in these lines
- 11. lets light pass but detailed images not seen
- 13. dark area caused by an object blocking light
- 14. rays reflected in parallel form this type of reflection
- 16. light travels fastest in this
- 17. waves bending due to change in speed
- 18. angle same as the angle of reflection
Down
- 1. light hits a shiny surface and bounces back
- 3. spreading of light through a narrow slit
- 4. type of reflection when light rays are scattered
- 7. light is part of this spectrum
- 8. separation of light into colors
- 9. is equal to 300,000,000 m/s
- 10. refracts light so you can see the spectrum
- 12. shape of wave that light travels in
- 15. light is a form of this