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WorksheetsSound
Total questions: 36
Worksheet time: 40mins
Name
Class
Date
1.
Sound is caused by....
a)
molecules
b)
vibrations
c)
people
d)
space
2.
What is frequency?
a)
the number of vibrations per second
b)
how high or low a sound is
c)
the loudness or softness of a sound
d)
the back and forth movement of matter
3.
Measure of how high or low a sound is
a)
amplitude
b)
compression
c)
speed of sound
d)
pitch
4.
This is the unit used to measure the volume of a sound.
a)
Decibel
b)
Medium
c)
Vibration
d)
Oscilloscope
5.
This word refers to any substance that sound can travel through. Sound can travel through solids, liquids, and gases.
a)
Decibel
b)
Medium
c)
Vibration
d)
Oscilloscope
6.
This is what you get when soundwaves are reflected, or bounce back, off of a hard surface.
a)
Amplitude
b)
Pitch
c)
Volume
d)
Echo
7.
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.
8.
which is a tool that is used in medicine to view internal organs and pregnancy.
a)
radar
b)
doppler
c)
ultrasound
d)
sonar
9.
When a car moves towards you, the sound of its horn seems relatively...
a)
Low pitched
b)
High pitched
c)
Normal
10.
When the car moves away from you, its horn seems...
a)
Low pitched
b)
High pitched
c)
Normal
11.
Sound travels as...
a)
transverse wave
b)
compression (longitudinal) wave
12.
What is volume?
a)
how high or low a sound is
b)
the loudness or softness of a sound
c)
the number of vibrations per second
d)
vibrations
13.
What do bats and dolphins use to find things?
a)
their eyes
b)
their ears
c)
echolocation
14.
How does sound travel?
a)
in only one direction
b)
in waves
c)
it doesn't travel
15.
An echo happens when sound __________.
a)
stops
b)
keeps going in circles
c)
bounces back
16.
Pitch is __________________.
a)
how loud or soft a sound is
b)
how high or low a sound is
c)
when sound comes back to you
17.
If I put my ear on the desk and tap on the desk, why does the sound seem louder than when I don't have my ear on the desk?
a)
sound doesn't travel through the desk
b)
sound travels faster
c)
sound travels better through solid than through gases
18.
The ____________ in my ear vibrates when sound enters my ear.
a)
ear
b)
sound
c)
eardrum
19.
Sound waves travel the fastest through
a)
rock
b)
seawater
c)
space
d)
atmosphere
20.
Sound waves travel the fastest through dense materials. Through which of these would sound waves travel the SLOWEST?
a)
air
b)
glass
c)
metal
d)
water
21.
The loudness of sound can be changed by
a)
decreasing pitch
b)
increasing the frequency
c)
increasing the amplitude
d)
decreasing the wavelength
22.
Which letter represents the amplitude of the wave in the diagram?
a)
W
b)
X
c)
Y
d)
Z
23.
True or False: The Doppler effect occurs when an observer moves away from a wave source.
a)
True
b)
False
24.
What best describes the doppler effect?
a)
An apparent change in frequency of a wave due to the relative motion between a wave source and an observer
b)
When sound changes pitch
c)
When light changes color
d)
An apparent change in the amplitude of a wave due to the relative motion between a wave source and an observer.
25.
Sound waves are what kind of wave?
a)
Longitudinal
b)
Transverse
c)
Surface
d)
Electromagnetic
26.
This is the unit used to measure the volume of a sound.
a)
Decibel
b)
Medium
c)
Vibration
d)
Oscilloscope
27.
Another name for pitch is
a)
frequency
b)
medium
c)
amplitude
d)
pitches
28.
True or False: Can sound travel through a vacuum (space).
a)
True
b)
False
29.
What is volume?
a)
sound
b)
Frequency
c)
Speed of the vibration .
d)
Intensity of the vibration
30.
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.
31.
What is A?
a)
crest
b)
trough
c)
compression
d)
rarefaction
32.
What is B?
a)
crest
b)
trough
c)
compression
d)
rarefaction
33.
When a car moves towards you, the sound of its horn seems relatively...
a)
Low pitched
b)
High pitched
c)
Normal
34.
When the car moves away from you, its horn seems...
a)
Low pitched
b)
High pitched
c)
Normal
35.
True or False: The Doppler effect occurs when a wave source moves towards an observer.
a)
True
b)
False
36.
What is the most important property architects must consider when selecting materials for the walls, ceilings, and floors for a new concert hall?
a)
thermal properties
b)
chemical properties
c)
electrical properties
d)
acoustical properties
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