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Waves Unit Review

Total questions: 40

Worksheet time: 28mins

Name
Class
Date
1.
Waves that need a medium to travel through are called __________ waves.
a)
mechanical
b)
electromagnetic
c)
light
d)
UV light
2.
Any disturbance that transfers energy through matter or space.
a)
Energy
b)
Matter
c)
Wave
d)
Gas
3.
Waves are created when a source creates a ____________.
a)
Waves
b)
Energy
c)
Sound
d)
Vibration
4.
Waves only carry __________ not matter.
a)
matter
b)
energy
c)
waves
d)
objects
5.
Waves in which the particles vibrate in an up and down motion (ex: light waves).
a)
transverse
b)
longitudinal
6.
The matter through which a wave travels is called a _________.
a)
matter
b)
energy
c)
vibrations
d)
medium
7.
The distance between 2 crests or 2 troughs:
a)
amplitude
b)
frequency
c)
wavelength
d)
wave speed
8.
Amplitude is:
a)
wave speed
b)
wave height
c)
wavelength
d)
frequency
9.
Shorter wave length= ________ energy
a)
less
b)
same
c)
none
d)
more
10.
This happens when a wave bounces after hitting a barrier.
a)
Refraction
b)
Scattering
c)
Echolocation
d)
Reflection
11.
The bending of waves around a barrier:
a)
Reflection
b)
Refraction
c)
Diffraction
d)
Transmission
12.
This is a form of energy emitted by the sun.
a)
light
b)
sound
c)
photosynthesis
d)
water
13.
This occurs when light waves transfer energy to particles of matter:
a)
Absorption
b)
Scattering
c)
Transmission
d)
Reflection
14.
This light interaction occurs when light reflects in all directions (explains why the sky is blue).
a)
Diffraction
b)
Transmission
c)
Scattering
d)
Absorption
15.
The portion of the electromagnetic spectrum that is detectable to human eyes:
a)
Infrared
b)
Gamma
c)
UV
d)
Visible Light
16.

Loudness is?

a)

how well a sound is heard

b)

how low a sound is

c)

how high a sound is

d)

how frequent a sound occurs

17.
______ is created by vibrations that produce waves of energy that move through matter. 
a)
light
b)
waves
c)
sound
d)
microphones
18.
Sound is made when an object: 
a)
changes phase
b)
loses energy
c)
vibrates
d)
freezes
19.
_______ is how high or low a sound is.
a)
loudness
b)
decibels
c)
pitch
d)
wave speed
20.
Pitch is determined by the wave's ______.
a)
frequency
b)
speed
c)
length
d)
decibels
21.
Loudness is measured in: 
a)
hertz
b)
decibels
c)
meters
d)
volume
22.
Sound travels fastest through: 
a)
liquids
b)
gases
c)
plasma
d)
solids
23.
Sound waves are mechanical and 
a)
transverse
b)
longitudinal
c)
electromagnetic
d)
energy
24.
Waves that do not need a medium to travel through are: 
a)
mechanical
b)
longitudinal
c)
electromagnetic
d)
seismic
25.
The change in the direction of a wave when it changes from one medium to another: 
a)
scattering
b)
rarefaction
c)
reflection
d)
refraction
26.
Which of these factors affects how fast a sound wave moves?
a)
the amplitude of the sound wave's vibrations
b)
the kind of material it is moving through
c)
the wavelength of the disturbance in the medium
d)
the type of motion that caused the sound wave to form
27.
Which of the following makes up the smallest region in the electromagnetic spectrum?
a)
radio waves
b)
infrared light
c)
gamma rays
d)
visible light
28.
Which of the following statements is true:
a)
hard surfaces absorb more sound
b)
hard surfaces reflect more sound
c)
soft surfaces reflect more sound
d)
soft surfaces amplify sound
29.
If a sound wave travels from water to wood which of the following is true:
a)
it becomes louder
b)
its speed increases
c)
it becomes stronger
d)
its temperature decreases
30.
A dog trainer uses a whistle to call her dogs. The noise is heard by the dogs but not heard by the girl. Which statement best describes why humans cannot hear the dog whistle?
a)
the speed of the sound is too fast
b)
the amplitude of the sound is too low
c)
the frequency of the sound is too high
d)
the wavelength of the sound is too long
31.
What part of the waves are labeled X and Y?
a)
X represents the rarefaction; Y represents the compressions
b)
X represents the compressions; Y represents the rarefactions
c)
X represents the compressions; Y represents the wavelength
d)
X represents the rarefactions; Y represents the wavelength
32.

Which is one way sound waves are different from light waves?

a)

Sound waves travels through space but light waves cannot.

b)

Sound waves travel at a slower speed than light waves.

c)

Sound waves have shorter wavelengths than light waves.

d)

Sound waves are a source of energy but light waves are not.

33.

Which is true about the relationship between light and the electromagnetic spectrum?

a)

Visible light travels slower than the rest of the electromagnetic spectrum.

b)

Visible light has more energy than the rest of the electromagnetic spectrum.

c)

Visible light is only part of the electromagnetic spectrum that can be detected by the human eye.

d)

Visible light is the only part of the electromagnetic spectrum that can travel through space.

34.

According to the table above, the speed of sound through air increases as the:

a)

density of the air increases

b)

temperature of the air increases

c)

loudness of the sound increases

d)

pitch of the sound increases

35.

Through which medium does sound travel the fastest?

a)

air

b)

steel

c)

steam

d)

water

36.

Loudness depends on:

a)

frequency

b)

wave speed

c)

amplitude

d)

wavelength

37.

Loudness is measured in:

a)

Hertz

b)

Hz

c)

Decibels

d)

Amplitudes

38.

What's the highest point on a wave called?

a)

trough

b)

wavelength

c)

amplitude

d)

crest

39.

The human eye actually has 2 lenses. What are the known as?

a)

retina and iris

b)

pupil and sclrea

c)

iris and lens

d)

cornea and lens

40.

What are the 3 tiny bones of the middle ear responsible for?

a)

They vibrate the hairs of the auditory nerve.

b)

They vibrate the the fluid in the pinna.

c)

They vibrate fluid in the ear drum.

d)

They vibrate the fluid inside the cochlea.

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