Across
- 3. How high or low a sound seems to a listener.
- 4. A type of wave that travels through matter and can be heard.
- 7. A disturbance that transfers energy from one place to another.
- 9. A type of wave that carries energy and can travel through empty space.
- 14. The complete range of light waves, from radio waves to gamma rays.
- 15. The bouncing of a wave off a surface.
Down
- 1. The passing of a wave through a material.
- 2. The small part of the electromagnetic spectrum that human eyes can detect.
- 5. The distance between two matching parts of a wave, such as crest to crest.
- 6. A repeated back-and-forth motion that creates many types of waves.
- 8. A wave that travels through Earth during an earthquake.
- 10. The process in which a material takes in wave energy instead of reflecting or transmitting it.
- 11. The maximum distance a wave moves from its resting position.
- 12. The bending of a wave as it moves from one material to another.
- 13. The number of waves that pass a point in one second.
