Across
- 5. the spreading out of the seven colors
- 7. the bending of light
- 9. wave bounces from a surface or interface
- 14. when something is reflected in a plane mirror and the left becomes right and right becomes left
- 16. the color that is bent the least
- 17. unit of sound loudness
- 18. move back and forth to emit a sound
- 19. musical sound frequency
- 20. to soak up energy (or a liquid)
Down
- 1. let a sound or light wave through
- 2. how many complete waves in a second
- 3. bouncing back of light or sound
- 4. this object only reflects light
- 6. an orchestra is made up of these
- 8. the range of colors in white light
- 10. an object that only lets one color of light to pass through
- 11. this transmits energy but not mass
- 12. a triangular glass block
- 13. perceived amount of energy in a sound wave
- 15. the color that is bent the most