Across
- 2. A repeating disturbance that transfers energy through matter or space
- 10. Optical illusions caused by refraction in air layers
- 11. Condition affecting the ability to perceive colors
- 14. Waves that do not require a medium
- 15. Waves that require a medium to travel
- 16. Waves spreading in different directions after hitting irregularities
- 19. Cells in the eye that detect color
- 20. Surface disturbances in water caused by wind or objects
- 21. The time it takes one wavelength to pass a point
- 22. Objects that separate light into a spectrum
- 24. Transfer of wave energy into matter
Down
- 1. The matter through which a wave travels
- 3. The size of a wave disturbance indicating energy
- 4. The bending of waves around obstacles
- 5. Substances that alter or reflect specific colors
- 6. The distance between identical points on a wave
- 7. Materials that scatter light
- 8. The bending of a wave entering a new medium
- 9. Wavelengths of light reflected by an object
- 12. The number of wavelengths passing a point each second
- 13. Materials that selectively transmit certain wavelengths
- 16. The product of frequency and wavelength
- 17. Materials that transmit light clearly
- 18. Vibrations traveling through a medium heard by ears
- 20. Materials that absorb or reflect light
- 23. A space devoid of matter
- 25. The bouncing of a wave off a surface