Study Jams
Sound
1. What role does energy play in sound?
a. sound waves have nothing to do with energy
b. sound waves carry energy
c. energy is present in loud sound only
d. energy is present in high-pitched sound but not in low-pitched sounds
2. What is an echo?
a. the number of sound waves in a second
b. the loudness of softness of a sound
c. sound waves that bounce off a surface
d. the highness or lowness of a sound
3. What sort of frequency do high-pitched sounds have?
a. high
b. low
c. medium
d. no frequency
4. What does volume measure?
a. the speed of a sound
b. the frequency of a sound
c. the highness of lowness of a sound
d. the loudness or softness of a sound
5. What causes sounds that are lower that 0 decibels?
a. low frequency
b. high volume
c. giant explosions in the ocean
d. gametophytes
6. Which two aspects of sound go together?
a. pitch and frequency
b. decibels and pitch
c. pitch and volume
d. amplitude and pitch
7. What does amplitude measure?
a. frequency
b. volume
c. pitch
d. echoes
NixonHillary
Monday, April 29, 2013 2:20:27 PM ET
answers:
1. (b) sound waves carry energy
2. (c) sound waves that bounce off a surface
3. (a) high
4. (d) the loudness or softness of a sound
5. (c) giant explosions in the ocean
6. (a) pitch and frequency
7. (b) volume
NixonHillary
Monday, April 29, 2013 2:20:27 PM ET