Across
- 1. How loud or soft a sound is
- 4. Moves back and forth very fast
- 6. A state of matter that spreads out to fill a space
- 8. Vibrating air
- 9. A sound that repeats when sound waves bounce off of a surface
- 11. A state of matter that does not have its own shape
Down
- 2. To make objects look larger
- 3. The amount of matter in an object
- 5. To take apart
- 7. Mixes completely into water
- 8. A state of matter that has its own size and shape
- 10. How high or low a sound is