WorksheetsChapter 15: Sound
Total questions: 25
Worksheet time: 28mins
Name
Class
Date
1.
Which statement about sound waves is true?
a)
Air travels with them
b)
They travel through a vacuum
c)
They exist only if heard
d)
They can be reflected.
2.
When comparing the two waves that are shown, how would Wave A (green wave) differ than Wave B (black wave)?
a)
Wave A and B have the same amplitude, but wave B (black) has a lower pitch.
b)
Wave A and B have the same amplitude, but Wave A has a lower pitch.
c)
Wave A and B have the same pitch, but Wave A is a softer sound.
d)
Wave A and B have the same pitch, but Wave B is a softer sound.
3.
What does pitch depend on?
a)
amplitude
b)
frequency
c)
intensity
d)
volume of sound
4.
Sound is produced by
a)
music
b)
vibrations of molecules
c)
Electromagnetic Waves
d)
Transverse Waves
5.
You cannot hear ultrasound because it is:
a)
too loud
b)
too quiet
c)
high frequency
d)
low frequency
6.
If distance C on the diagram increased, what would happen to the pitch?
a)
The pitch would be louder.
b)
The pitch would be softer.
c)
The pitch would be higher.
d)
The pitch would be lower.
7.
A wave with a large wavelength will have a ______ frequency and _____ energy
a)
high, low
b)
high, high
c)
low, high
d)
low, low
8.
What frequency range represent the human hearing capacity
a)
Below 20 Hz
b)
Between 20 Hz and 20 000 Hz
c)
Between 20 000Hz and 40 000 Hz
d)
Above 20 000 Hz
9.
A disturbance that transfers energy from one place to another without transferring matter.
a)
wave
b)
trough
c)
pitch
d)
sound
10.
Sound is a form of _________________ that travels as waves through a ________________.
a)
light/ transparency
b)
energy/ vibration
c)
energy/ medium
d)
frequency/ medium
11.
What medium does sound travel through slowest?
a)
gas
b)
solid
c)
liquid
d)
trees
12.
Why is sound able to travel faster through a solid than a gas?
a)
Gas molecules are packed tightly.
b)
Sound does not travel faster through a solid than a gas.
c)
Solid molecules are packed tightly.
d)
Gas molecules move slowly.
13.
What are two ways that an ultrasound is used?
a)
transverse waves and longitudinal waves
b)
hertz and meters
c)
sonar and ultrasound imaging
d)
music instruments and amplify the sound
14.
Which of the following sound waves represents an angry dog's low pitched and loud growl (Grrrrr-ruff)?
a)
Wave 1
b)
Wave 2
c)
Wave 3
15.
Select ALL waves that are lower in pitch than wave A.
a)
Wave B
b)
Wave C
c)
Wave D
16.
________________________ is the use of echos, or reflected sound, to find objects.
a)
ultrasound
b)
sonography
c)
echolocation
d)
reflexology
17.
Select ALL waves that are louder than wave A.
a)
Wave B
b)
Wave C
c)
Wave D
18.
A wave in which the vibration is in the same direction as that in which the wave is traveling; sound waves
a)
longitudinal wave
b)
ocean wave
c)
transverse wave
d)
mechanical wave
19.
The part of a longitudinal wave where the particles of the medium are close together.
a)
rarefaction
b)
compression
c)
crest
d)
trough
20.
A part in a longitudinal wave where the particles are spread apart
a)
compression
b)
rarefaction
c)
crest
d)
trough
21.
Which of the following sound waves represents a dolphin's loud and high pitched whistle.
a)
Wave 1
b)
Wave 2
c)
Wave 3
22.
If the distance represented by the letter A were increased, how would it change the way the sound was heard?
a)
The sound would be higher.
b)
The sound would be lower.
c)
The sound would be softer.
d)
The sound would be louder.
23.
A reflected sound wave
a)
frequency
b)
pitch
c)
echo
d)
rarefaction
24.
Sound travels at 1400m/s in water. If a ship sends a sonar signal to map the bottom of the ocean and it returns after 2 seconds, how deep is the ocean?
a)
700m
b)
1400m
c)
2800m
d)
6000m
25.
You can hear ultrasound
a)
True
b)
False
100 %
