Name:_________________
Date:__________
1. _______ is the name applied to the number of crests passing through a place per second.
2. A ______ is the high point on a wave.
3. A ______ is the low point on a wave.
4. ______ is the height of a wave.
5. The __________ is the distance between 2 neighboring crests or troughs.
6. _______ is the SI unit for frequency.
7. A _________ is equal to 1,000,000 hertz.
8. The shorter the wavelength, the ________ the frequency.
9. Can all matter conduct sound waves?
10. In which will sound waves travel faster, solids or liquids?
11. In which will sound waves travel further, liquids or gases?
12. In which will sound waves travel faster, liquids or gases?
13. _________ are substances which trap sound waves.
14. _________ is the unit for measuring loudness.
15. A ________ is a place with no matter.
16. The ________ are the three smallest bones of the body.
17. ________ is how high or low a sound is.
18. The thicker the vibrating object, the _______ the pitch.
19. The tighter the vibrating object, the _______ the pitch.
20. Can a sound of zero decibels be heard by people?
21. In which will sound waves travel further, solids or liquids?
22. The warmer the conductor, the _______ sound waves will travel.
23. People can perceive sound waves from ___--________ hertz.
24. The shorter the vibrating object, the _______ the pitch.
25. Prolonged exposure to sounds over _____ decibels can cause hearing loss.
26. What is the function of the ossicles?
27. What is the function of the pinna?
28. The _________ _________ is another name for the ear drum.
29. The ________ is a long, curled fluid-filled canal lined with microscopic hair cells.
30. The ______ is the external, fleshy portion of the ear which is trumpet-like in shape.
31. A _______ is heard when sound waves bounce off of something and return to the ear.
32. In normal air, sound travels at about _____ miles per hour.