Across
- 1. form of wave energy
- 7. waves that move PERPENDICULAR to the way matter is moving
- 9. waves that move through space
- 11. path in a straight line, but may change direction and speed
- 13. mirror that curves inward, magnified
- 14. does not let any light pass throug, all light bounces or is absorbed
- 15. a piece of glass that refracts light and produces an image
- 17. sound waves move at the same direction as matter is vibrating
- 19. matter through which a wave travels
- 21. top part of the transverse wave
- 23. distance betwen two crests or two troughs
- 24. number of waves that pass a point in one second
Down
- 2. appears unclear, some light passes through and some is bent or blocked
- 3. mirror that curves outward, images are smaller
- 4. bending of light as it passes from one medium to another
- 5. waves that can only move through matter
- 6. mirror with a flat surface
- 8. height of a wave
- 10. light bounces off an object
- 12. distance that one wave travels in one second
- 16. Visible ______, different colors of the light we see
- 18. lowest part of the transverse wave
- 20. can clear see through, light passes through with little bending
- 22. Sir Isaac ______, who proved that light is made up of different colors