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Sound Waves

Total questions: 20

Worksheet time: 36mins

Name
Class
Date
1.

Bending of waves around an object (such as through a doorway)

a)

refractiion

b)

diffraction

c)

reflection

d)

amplification

2.

Sound travels through solids fastest because the molecules are closer together

a)

speed of sound

b)

wavelength

c)

frequency

d)

amplitude

3.
The number of wavelengths that pass a point each second
a)
frequency
b)
wavelength
c)
pitch
d)
amplitude
4.

When the sound source moves, the frequency changes

ex. police car siren sounding lower pitch after the car passes

a)

refraction

b)

reflection

c)

Doppler Effect

d)

rarefraction

5.
The part of a longitudinal wave where the particles of the medium are close together.
a)
rarefaction
b)
compression
c)
crest
d)
trough
6.
A part in a longitudinal wave where the particles are spread apart
a)
compression
b)
rarefaction
c)
crest
d)
trough
7.
A reflected sound wave
a)
frequency
b)
pitch
c)
echo
d)
rarefaction
8.
Highest point of a wave
a)
crest
b)
trough
c)
wavelength
d)
frequency
9.
What property of this wave is represented by the letter "A"
a)
amplitude
b)
crest
c)
trough
d)
wavelength
10.
What property of the wave is represented by the letter "B"?
a)
amplitude
b)
crest
c)
trough
d)
wavelength
11.
Which wave in the diagram has the greatest frequency?
a)
1
b)
2
c)
3
d)
4
12.
Which wave in the diagram has the greatest wavelength?
a)
1
b)
2
c)
3
d)
4
13.
which material does sound travel the fastest?
a)
solid 
b)
liquid 
c)
gases
14.
When a wave strikes and object and bounces off. (example echo)
a)
medium
b)
refraction
c)
reflection
d)
interference
15.
When a wave bends as it passes through at an angle from one medium to another.(example: pencil in a glass of water-)
a)
medium
b)
refraction
c)
reflection
d)
interference
16.

What is being transferred with a wave?

a)

medium

b)

energy

c)

matter

d)

Chicken

17.

What causes the refraction of a wave?

a)

the density of the medium changes the speed

b)

the amount of the medium changes the direction

c)

the color of the medium changes the speed

d)

the type of wave changes the direction

18.

What is the unit for frequency?

a)

Meters

b)

Hertz

c)

Decibels

d)

Meters/Second

19.

When a wave spreads out, it is called____________________?

a)

reflection

b)

refraction

c)

diffraction

d)

absorption

20.
Sound does not travel in space because
a)
Space is too far away.
b)
There is no matter in space.
c)
Space is the final frontier
d)
Space has planets.

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