Across
- 1. An echo is an example of this sound wave behavior
- 6. When energy is removed as sound travels through certain materials
- 7. Sound is not able to be heard in this
- 8. Sound waves are this type of mechanical wave
- 10. If I am yelling, my sound has a high ______
- 13. sound waves start with this
Down
- 2. Changes in ___________ can change the speed of a sound wave
- 3. sound waves travel slowest through ______
- 4. When the sound wave is able to pass through a small opening and spread out
- 5. A ________ is needed for sound waves to travel
- 9. Sound quality is also known as this
- 11. sound waves travel fastest through a _______
- 12. The faster the sound wave travels through a medium the higher the _________