Across
- 5. The drum belongs to the ___ family of instruments.
- 7. Sound waves get ___ as they travel further from their source.
- 8. When a sound bounces off a surface and comes back, it makes an ___.
- 10. We use ___ to measure the loudness of sound.
- 11. Our ___ ear changes sound waves into signals for our brain.
- 12. When an object vibrates at the same frequency as another object, it is called ___.
Down
- 1. These cause sound waves to travel
- 2. The scientific term for the loudness of a sound
- 3. These animals use echolocation to find their way
- 4. This makes the difference between a high pitch and a low pitch
- 6. When two or more sounds combine it is called ___.
- 9. A pitch gets ___ when sound waves travel closer together.
