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WorksheetsSound Waves
Total questions: 40
Worksheet time: 28mins
Name
Class
Date
1.
Which factor does not affect the speed of sound:
a)
temperature
b)
distance
c)
density
d)
elasticity
2.
The more elastic a material the _______________ sound will travel through it.
a)
faster
b)
slower
3.
How much matter or mass there is in a given amount of space is called:
a)
elasticity
b)
compactedness
c)
density
d)
volume
4.
The more density an object has, the ______________ sound travels through it.
a)
slower
b)
faster
5.
Which item will sound travel faster through?
a)
water
b)
steam
c)
foam board
d)
wooden block
6.
The warmer an object is, the ____________ sound will travel through it.
a)
faster
b)
slower
7.
What is vibration?
a)
how loud a sound is
b)
the back and forth movement of matter
c)
how high or low a sound is
d)
the loudness or softness of a sound
8.
Sound is caused by?
a)
force
b)
vibrations
c)
instruments
9.
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
10.
Measure of how high or low a sound is
a)
amplitude
b)
compression
c)
speed of sound
d)
pitch
11.
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
12.
Would this have a high pitch or low pitch?
Tapping a small nail
Tapping a small nail
a)
high pitch
b)
low pitch
13.
Why does cupping your hands around your mouth when you shout make the sound travel further?
a)
The sound spreads out.
b)
Your voice gets louder.
c)
You are screaming.
d)
The sound energy is directed in one direction.
14.
An object that does not vibrate cannot produce
a)
sound
b)
light
c)
heat
d)
electricity
15.
Sound is a form of?
a)
energy
b)
pitch
c)
volume
16.
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
17.
A longer string makes a _______ pitch than a short string.
a)
louder
b)
softer
c)
higher
d)
lower
18.
To make a sound from a stringed instrument louder you must
a)
hit it
b)
pluck it harder
c)
hold it higher
d)
pluck it softer
19.
Why is the school library covered with carpet?
a)
So everyone can make a lot of noise
b)
to help absorb sounds to keep it quiet
c)
because it looks good
d)
to help absorb sounds so it can stay noisy
20.
What do bats and dolphins use to find things?
a)
their eyes
b)
their ears
c)
echolocation
21.
You will see a flash of lightening before you hear the thunder that goes with it because-
a)
the eye is quicker than the ear
b)
thunder occurs much later than lightening
c)
sound travels faster through the atmosphere than light
d)
light travels faster through the atmosphere than sound
22.
The highest pitch is made by the _______ instrument.
a)
biggest
b)
wooden
c)
smallest
d)
shiniest
23.
the material through which a wave travels
a)
mechanical wave
b)
medium
c)
crest
d)
trough
24.
a disturbance in matter that carries energy from one place to another
a)
mechanical wave
b)
medium
c)
crest
d)
trough
25.
in which temperature the sound travel fastest?
a)
10 C
b)
20 C
c)
30 C
d)
40 C
26.
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
27.
This is the unit used to measure the volume of a sound.
a)
Decibel
b)
Medium
c)
Vibration
d)
Oscilloscope
28.
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
29.
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
30.
the loudness of sound is determined by its______
a)
Frequency
b)
speed
c)
intensity
d)
wavelength
31.
Which sound is 100 times louder than the sound with 10 decibel intensity?
a)
30 decibel
b)
1000 decibel
c)
100 decibel
d)
300 decibel
32.
vacuum cleaner makes 60 decibel sound, whisper is 20 decibel, how much louder the vacuum cleaner is?
a)
3 times
b)
10000 times
c)
300 times
d)
1000 times
33.
__________ is a measure of the size of sound waves.
a)
amplitude
b)
wavelength
c)
frequency
d)
speed
34.
intensity is a measure of the _______________ in sound waves
a)
amplitude
b)
wavelength
c)
energy
d)
speed
35.
When distance from the sound source decreases, the area covered by the sound waves _________
a)
stay the same
b)
decreases
c)
increases
d)
doubles
36.
When distance from the sound source decreases, the area covered by the sound waves _________
a)
stay the same
b)
decreases
c)
increases
d)
doubles
37.
When a car moves towards you, the sound of its horn seems relatively...
a)
Low pitched
b)
High pitched
c)
Normal
38.
When the car moves away from you, its horn seems...
a)
Low pitched
b)
High pitched
c)
Normal
39.
True or False: The Doppler effect occurs when a wave source moves towards an observer.
a)
True
b)
False
40.
True or False: The Doppler effect occurs when an observer moves towards a wave source.
a)
True
b)
False
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