Science
Across
- 2. BEAMS Travel out in all directions
- 4. Allows all light to pass through
- 7. CELLS Change light into electricity
- 8. Allows some light to pass through
- 11. Light produced by chemical reactions inside the bodies of living creatures
- 14. OF REFLECTION The angle of reflection equals the angle of incidence
- 15. Mirrors that cave in
- 16. _______ are a natural source of light
- 17. Mirrors that bulge out
- 18. Giving off its own light
Down
- 1. MIRROR A mirror having a flat surface
- 3. The emission of visible light by a hot object
- 5. To send out energy in the form of waves or rays
- 6. RAY The light that strikes a reflecting or refracting material
- 9. The bending of light
- 10. The process in which light strikes and bounces back off that surface
- 12. Not allowing any light to shine through
- 13. The likeness of an object