Across
- 5. - The energy that comes out of a system after a change has happened.
- 6. - The tube that sound travels down to reach the eardrum.
- 10. - The ability to do work or cause change.
- 11. - The place where energy or sound begins.
- 13. - A diagram that shows how energy is passed from one thing to another.
Down
- 1. - To move back and forth quickly.
- 2. - How high or low a sound is.
- 3. - A pattern of disturbance caused by the movement of energy traveling through a medium as it propagates away from the source.
- 4. - How loud or soft a sound is.
- 7. - Sends signals from the ear to the brain so we can hear.
- 8. - A group of parts that work together to perform a task.
- 9. - A thin piece of skin inside the ear that vibrates when sound waves hit it.
- 12. - The energy that goes into a system to make it work.