Across
- 1. How high or low a sound is.
- 4. A back-and-forth movement that creates sound.
- 7. The strength or loudness of a sound (or brightness of light).
- 10. A material that allows light to pass through clearly.
- 11. When light is taken in instead of passing through or bouncing off.
- 13. The substance sound waves travel through (air, water, or solids).
- 16. A surface that curves outward, like the outside of a bowl.
- 18. The power that makes things happen; light is a form of energy.
- 19. A material that lets some light through, but the image is blurry.
- 20. The voice box; holds the vocal cords.
- 22. A material that does not let light pass through at all.
- 23. A band of colors that make up visible light (ROY G BIV).
Down
- 2. A harsh, loud mixture of sounds.
- 3. The distance between one wave and the next in a pattern of energy.
- 5. A surface that curves inward, like the inside of a bowl.
- 6. A transparent object that refracts light into different colors.
- 8. When light passes through a material.
- 9. When light bounces off a surface, like a mirror.
- 11. Related to hearing or the sense of sound.
- 12. How fast something vibrates; affects pitch.
- 14. Vibrations that travel through air, water, or solid materials.
- 15. A curved piece of glass or plastic that bends light to help us see.
- 17. Thin tissues in the larynx that vibrate to make sound.
- 21. A curved band of colors formed when sunlight is refracted through raindrops.
- 24. When light bends as it moves from one material to another.