Across
- 4. The bouncing back of a sound wave from a surface
- 6. The back-and-forth movement of particles that produces sound
- 9. A push or pull on an object
- 10. A device that detects sound and converts it into electrical signals
- 11. A device that converts electrical signals back into sound
- 13. A natural frequency at which an object vibrates
Down
- 1. A test or procedure to gather data and test a hypothesis
- 2. A detailed explanation based on observations and evidence
- 3. The part of a sound wave where particles are smushed together
- 5. The ability to do work or cause change
- 7. A possible explanation that can be tested
- 8. The loudness or intensity of a sound
- 10. The matter that carries sound waves (solid, liquid, or gas)
- 12. The results of an experiment or observations