Unit 6, Lesson 1: Waves and Patterns

1. What medium does sound travel the clearest through?

• solid

• gas

• liquid

• plasma

2. The higher the pitch of a sound, the lower the frequency of a sound wave

• True

• False

3. Which is the best description of how sound waves travel?

• a. in a straight path to your ear

• b. back and forth from the source

• c. outward in all directions

• d. upward from the source

4. The distance between wave crests is called amplitude.

• True

• False

. Which part of the diagram below shows the amplitude?

• a

• b

• c

• d

6. Sound cannot travels through liquid

• true

• false

7. Which part of the diagram shows the wavelength?

• a

• b

• c

• d

8. Sound does not travel through outer space.

• true

• false

9. A loud, high-pitched sound would have which of the following properties?

• a. short wavelength, low amplitude

• b. short wavelength, high amplitude

• c. long wavelength, low amplitude

• d. long wavelength, high amplitude

10. Frequency is the height of a wave from the crest to the trough.

• true

• false