Across
- 3. Vibration is at right angles (perpendicular) to wave travel.
- 6. reflecting every color
- 7. are transverse waves and all travel the same speed.
- 8. absorbs all colors
- 10. Vibration is in the direction of travel (parallel).
Down
- 1. is electromagnetic waves created by vibrating electric charges with frequencies that fall within the range of sight.
- 2. is a wiggle in space and time
- 4. describes how fast the disturbance moves through the medium.
- 5. is a wiggle or movement in time.
- 9. blue+green=