WorksheetsSound Waves
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
Sound requires a medium.
a)
True
b)
False
2.
Sound will travel through water at 20⁰ C faster than 80⁰ C.
a)
True
b)
False
3.
The amount of energy a wave carries determines its amplitude.
a)
True
b)
False
4.
The amount of energy a wave carries determines its amplitude.
a)
True
b)
False
5.
Loudness is how high or low a sound seems to be.
a)
True
b)
False
6.
When a listener moves toward the source of a sound wave, the compressions of the wave are spread out.
a)
True
b)
False
7.
The process of finding objects by emitting sounds and interpreting their reflections is called reverberations (echoes).
a)
True
b)
False
8.
Ultrasound can be used to break up kidney stones.
a)
True
b)
False
9.
Sound travels in a ___ wave.
a)
transverse
b)
compressional
c)
surface
d)
inverted
10.
The speed of sound in ___ is greater than the speed of sound in water.
a)
air
b)
steel
c)
cork
d)
water vapor
11.
If the intensity of a sound decreases, the ___ decreases
a)
wavelength
b)
speed
c)
pitch
d)
loudness
12.
A sound intensity above ___ may cause permanent hearing damage.
a)
0 dB
b)
90 dB
c)
120 dB
d)
150 dB
13.
The unit used to measure frequency is the ___.
a)
newton
b)
joule
c)
decibel
d)
hertz
14.
For the Doppler effect to occur, ___.
a)
the sound source must be moving
b)
the listener must be moving
c)
both the source and listener must be moving
d)
either source or listener must be moving
15.
Reverberation (echoes) in concert halls is caused by ___ of sound.
a)
reflections
b)
echolocation
c)
refractions
d)
diffusions
16.
Bats use ___ to navigate and find prey.
a)
infrasound
b)
echolocation
c)
the Doppler effect
d)
sonar
17.
A system of using the reflection of underwater sound waves is ___.
a)
acoustics
b)
radar
c)
sonar
d)
resonance
18.
Scientists and engineers may recommend carpets and draperies for the walls of a concert hall to reduce excess ___.
a)
echolocation
b)
reverberation (echo)
c)
frequency
d)
amplitude
19.
Sound is caused by ___.
a)
energy
b)
a wave
c)
a medium
d)
vibrations
20.
As the amplitude of a sound increases, the loudness
a)
increases
b)
decreases
c)
does not change
d)
cancels out
21.
Sound waves with frequencies greater than 20,000 Hz are called ___ waves.
a)
transverse
b)
mechanical
c)
electromagnetic
d)
ultrasound
22.
As the frequency of a sound wave ___, the pitch becomes lower.
a)
increases
b)
decreases
c)
does not change
d)
cancels out
23.
___ is the study of sound.
a)
Acoustics
b)
Reverberation
c)
Echolocation
d)
Infrasound
24.
The differences among sounds of the same pitch and loudness is described as the ____ of the sound.
a)
quality
b)
pitch
c)
frequency
d)
resonance
25.
___ is when two frequencies match up and increase in amplitude. Example: Singers can make a glass break by matching its frequency.
a)
Pitch
b)
Resonance
c)
Frequency
d)
Ultrasound
100 %
