1. The faster the frequency of a sound wave, the ______ the pitch of the sound.

2. What is the standard unit of measure for frequency?

3. Which sound would likely have the lowest frequency?

4. What part of the human body helps us to make sounds and talk?

5. What part of the human body vibrates to make sound when we talk?

6. True or False: Acoustic design can be used to help sound travel in some buildings and to prevent sound from traveling in other buildings.

7. What is it called when sound waves bounce off of certain materials?

8. What is it called when sound waves are not reflected off of certain materials?

9. Which of the following items is most likely to reverberate sound?

10. What is it called when sound waves from a moving car change pitch as the car passes by you?