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Unit 8 Exam - Waves

Total questions: 86

Worksheet time: 1hrs 22mins

Name
Class
Date
1.

_____ waves NEED a medium to travel.

a)

Seismic

b)

Light

c)

Mechanical

2.

Radio Waves are an example of _________ waves.

a)

mechanical

b)

electromagnetic

c)

light

3.

The distance in between two waves.

a)

wave speed

b)

frequency

c)

wavelength

4.

Frequency is always measured in _________

a)

kilometers

b)

Hertz

c)

centimeters

5.

the number of waves that pass a certain point.

a)

wave speed

b)

frequency

6.

when a wave hits a barrier and bounces

a)

diffraction

b)

reflection

7.

You're in your room blasting music with the door shut, your mom opens your door. Now your music is heard throughout your home. This is an example of _______

a)

interference

b)

diffraction

c)

reflection

8.

When two waves overlap each other, this behavior is known as _______.

a)

interference

b)

refraction

c)

frequency

9.

If the amplitude increases during interference, this is __________

a)

destructive interference

b)

constructive interference

10.

This is a high frequency wave. Which part of the wave is "B"

a)

crest/peak

b)

wavelength

c)

trough

11.

Look at this wave. "A" is which part of a wave?

a)

Crest/Peak

b)

Wave Speed

c)

Resting Point

12.

Which wave has the longest wave length?

a)

top wave

b)

bottom wave

13.

Does this wave have a high frequency or low frequency?

a)

High

b)

Low

14.

What is transferred from place to place by waves?

a)

matter

b)

energy

c)

particles

d)

light

15.

What does the arrow in the picture represent?

a)

amplitude

b)

wavelength

c)

frequency

d)

trough

16.

What does the arrow in the picture represent?

a)

wavelength

b)

echolocation

c)

amplitude

d)

peak

17.

If the amplitude increases, the energy of the wave:

a)

increases

b)

decreases

c)

stays the same

18.

The highest point of a wave is called what?

a)

trough

b)

wavelength

c)

peak

d)

amplitude

19.

Waves that require a medium to travel are:

a)

mechanical waves

b)

transverse waves

c)

electromagnetic waves

d)

light waves

20.

What happens when you increase the amplitude of a sound?

a)

it makes the sound louder

b)

it makes the sound travel faster

c)

it makes the sound softer

d)

it changes the pitch or note of the sound

21.

What kind of wave is pictured below?

a)

compressional wave

b)

transverse wave

c)

longitudinal wave

d)

mechanical wave

22.

What can electromagnetic waves travel through (select all that apply)?

a)

solids

b)

empty space

c)

liquids

d)

gases

23.

Which wave is pictured?

a)

Transverse

b)

Longitudinal

c)

Electromagnetic

d)

Light

24.

Which wave in the diagram has the greatest frequency?

a)

1

b)

2

c)

3

d)

4

25.

Which wave in the diagram has the longest wavelength?

a)

1

b)

2

c)

3

d)

4

26.

Which of the following can a mechanical wave travel through (select all that apply)?

a)

solid

b)

liquid

c)

gas

d)

empty space

27.

What is measured from crest to crest or trough to trough?

a)

mediums

b)

resting position

c)

wavelength

d)

origin

28.

If a wave has a greater frequency, what happens to the wavelength?

a)

increases

b)

decreases

c)

stays the same

29.

What property does the orange arrow (A) represent?

a)

Crest

b)

Trough

c)

Wavelength

d)

Peak

30.

This sound has high pitch, which means it has a(n):

a)

Higher frequency

b)

Lower frequency

c)

Higher amplitude

d)

Lower amplitude

31.

How are the frequency of a wave and the period related?

a)

They both equal the wavelength.

b)

They are both the inverse of the wavelength.

c)

They are the inverse of each other

d)

They are both related to the amplitude.

32.

One hertz is equal to:

a)

1 cycle or wave per second

b)

the distance from crest to crest or trough to trough

c)

the distance from one rarefaction to the next rarefaction.

d)

the maximum displacement of the wave

33.

Longitudinal waves move __________ to the energy of the wave (select all that apply).

a)

Parallel

b)

Perpendicular

c)

At a 90 degree angle

d)

In the same direction

34.

Transverse waves move __________ to the energy in the wave (select all that apply).

a)

Parallel

b)

Perpendicular

c)

At 90 degree angle

d)

In the same direction

35.

The area of a longitudinal wave where particles are pushed close together are called:

a)

rarefactions

b)

compressions

c)

amplitude

d)

wavelength

36.

The areas of a longitudinal waves where particles are spread far apart from each other are called:

a)

rarefactions

b)

compressions

c)

amplitude

d)

wavelength

37.

Sound waves can travel through a vacuum because they don't require particles.

a)

True

b)

False

38.

Which letter(s) represent the rest position of the wave (select all that apply)?

a)

A & C

b)

B & F

c)

E & G

d)

D

39.

What is the definition of reflection?

a)

The bending of waves as they enter a new medium

b)

Bouncing back of waves from a surface that it can’t pass through

c)

The bending of waves as they pass through openings or around corners

d)

When two interfering waves have a displacement in the same direction, two crests and two troughs overlap. Increased amplitude.

40.

What is the definition of refraction?

a)

The bending of waves as they enter a new medium

b)

When two interfering waves have a displacement in the opposite direction, crest and trough overlap. Zero amplitude.

c)

When two interfering waves have a displacement in the same direction, two crests and two troughs overlap. Increased amplitude.

41.
Which of the figures represents reflection?
a)
A
b)
B
c)
C
d)
D
42.
Which of the following represents refraction?
a)
A
b)
B
c)
C
d)
D
43.
Refraction occurs when _____________
a)
the wave's speed changes by entering a new medium
b)
a wave bounces off of a boundary
c)
waves parts meet each other
d)
waves bend around a barrier
44.
When a sound wave experiences reflection, we hear
a)
a louder sound
b)
an echo
c)
a quieter sound
d)
nothing
45.
What type of wave behavior is pictured above?
a)
Refraction
b)
Reflection
c)
Absorption
d)
Diffraction
46.
What type of wave behavior is pictured above?
a)
Refraction
b)
Reflection
c)
Absorption
d)
Diffraction
47.
When a wave strikes an object and bounces off
a)
medium
b)
refraction
c)
reflection
d)
interference
48.
When a wave bends as it passes through at an angle from one medium to another.
a)
medium
b)
refraction
c)
reflection
d)
interference
49.

Light waves and sound waves are similar in that...

a)

They are both longitudinal waves

b)

They are both transverse waves

c)

They both transmit energy

d)

They both can travel through space.

50.
When standing in the sun this behavior allows you to warm up as light and other waves hit your clothes. 
a)
Reflection
b)
Refraction
c)
Absorption
d)
Transmission
51.
You can see this text, your desk, and the person in front of you because light is being _______.
a)
absorbed
b)
refracted
c)
diffracted
d)
reflected
52.
Which object would be the best at reflecting light waves?
a)
windows
b)
mirrors
c)
notebooks
d)
tables
53.

As light travels through a lens it causes an object to appear larger, this is due to which behavior?

a)

Transmission

b)

Reflection

c)

Absorption

d)

Refraction

54.
The orca uses this behavior of waves to locate food.
a)
Refraction
b)
Reflection
c)
Absorption
d)
Transmission
55.
a)
Constructive Interference
b)
Destructive Interference
c)
Refraction
d)
Diffraction
56.
What is happening in the picture?
a)
refraction
b)
reflection
c)
absorbtion
57.
What type of wave behavior is pictured above?
a)
Refraction
b)
Reflection
c)
Absorption
d)
Diffraction
58.
 A wave has frequency of 50 Hz and a wavelength of 10 m. What is the speed of the wave?
a)
500 m/s
b)
50 m/s
c)
5 m/s
d)
0.5 m/s
59.
A wave has wavelength of 10 m and a speed of 340 m/s. What is the frequency of the wave?
a)
34 m/s
b)
3400 Hz
c)
3400 m/s
d)
34 Hz
60.
Which wave in the diagram has the greatest frequency?
a)
1
b)
2
c)
3
d)
4
61.
 A wave has frequency of 5 Hz and a speed of 25 m/s. What is the wavelength of the wave?
a)
25 m
b)
125 m
c)
5 m
d)
25 m/s
62.

A guitar string vibrates with a frequency of 320 hz. If the wavelength of the vibration is 0.23 meters what is the speed of the wave?

a)

320.23 m/s

b)

1391.3 hz

c)

73.6 m/hz

d)

73.6 m/s

63.
Which has the longest wavelength?
a)
A
b)
B
c)
C
d)
D
64.
What is the frequency of a wave traveling at 300 m/s with a 4 m wavelength?
a)
0.013 Hz
b)
75 Hz
c)
300 Hz
d)
1200 Hz
65.

Sound is a form of energy produced by ______________.

a)

Vibrations

b)

Distances

c)

Prisms

d)

Forces

66.

As the temperature of a medium increases, the sound waves will travel ____________.

a)

Faster

b)

Slower

c)

As the same speed

67.

True or False: The speed of sound depends on the loudness of the sound.

a)

True

b)

False

68.

True or False: Sound waves can travel through space.

a)

True

b)

False

69.

Sound waves travel the fastest through _______.

a)

Gases

b)

Solids

c)

Liquids

d)

Plasma

70.

Sound waves are _______ waves.

a)

Transverse

b)

Seismic

c)

Longitudinal

d)

Slow

71.

True or False: Sound waves are produced when something vibrates.

a)

True

b)

False

72.

True or False: According to the Doppler Effect, if an sound source is moving TOWARDS you, the pitch should be getting higher.

a)

True

b)

False

73.

True or False: The higher the pitch, the lower the frequency.

a)

True

b)

False

74.

Pitch is _____.

a)

How often a sound wave occurs

b)

How high or low a sound seems to be

c)

The energy behind a wave

75.

Sound intensity is measured in _____.

a)

Hertz

b)

Nanometers

c)

Decibels

76.

The amount of energy a wave carries is the _________.

a)

Amplitude

b)

Height

c)

Loudness

d)

Volume

77.
This color in the visible part of the spectrum has the lowest energy. 
a)
Blue
b)
Green
c)
Red
d)
Violet
78.
This color in the visible part of the spectrum has the highest energy.
a)
Blue
b)
Red
c)
Violet
d)
Yellow
79.
The frequency  _________ as we move from infrared light to gamma rays. 
a)
decreases
b)
increases
c)
doesn't change
80.
What are the three primary colors of light?
a)
Red, Green, Blue
b)
Green, Yellow, Blue
c)
Cyan, Magenta Yellow
d)
Cyan, Magenta, Black
81.
What are the three secondary colors of light?
a)
Red, Green, Blue
b)
Green, Yellow, Blue
c)
Cyan, Magenta, Yellow
d)
Magenta, Yellow, Black
82.

When the three primary colors mix they produce?

a)

Red, Green, Blue

b)

Black

c)

White

d)

Magenta, Yellow, Cyan

83.

Which images are opaque?

a)

A & C

b)

A,C,E, & F

c)

D, E, & F

d)

A & E

84.

Material that allows light to pass through allowing you to see "clearly" to the other side.

a)

opaque

b)

translucent

c)

transparent

85.

Which electromagnetic wave has the highest ENERGY?

a)

Sound

b)

Microwaves

c)

X Rays

d)

Gamma radiation

86.

What type of light does sunblock actually block?

a)

Radio waves

b)

Ultraviolet

c)

Visible Light

d)

Infrared Light

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