Across
- 3. This color filter transmits green and blue while absorbing red
- 4. The bending of light due to a change in speed
- 5. A type of electromagnetic wave used to heat food
- 6. A type of electromagnetic wave with wavelength slightly larger than red
- 9. The highest part of the wave
- 10. The height of the wave
- 12. Empty space
- 14. The length of one full wave
- 18. A wave that moves through some type of matter
- 21. A change in frequency that is perceived when the source of a wave is moving
Down
- 1. A wave that travels in the same direction as the vibrations from the source of motion
- 2. The energy of the wave is transferred to the material it encounters
- 7. A wave that transfers electromagnetic energy
- 8. A type of electromagnetic wave with wavelength slightly smaller than violet
- 11. A wave that travels perpendicular to the source of motion
- 13. Greek letter that represents wavelength
- 14. Any disturbance that transfers energy from place to place
- 15. The lowest part of the wave
- 16. A wave bounces off of an object and heads in a different direction
- 17. Plants appear green because they absorb red and...
- 19. The standard unit of measurement for frequency
- 20. The amount of time it takes for one full wave to pass through a given point