Across
- 4. the transfer of energy by a wave to the medium through which it travels
- 6. the part of the ear that signals the brain
- 7. the bouncing of a wave off a surface
Down
- 1. the passage of a wave through a medium
- 2. the change in direction of a wave when it travels by the edge of an object
- 3. the part of the ear that amplifies sound
- 5. the part of the ear that collects sound