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MECHANICAL WAVES AND SOUND CHAPTER 17

Total questions: 72

Worksheet time: 1hrs 27mins

Name
Class
Date
1.

MECHANICAL WAVE

a)

a disturbance in matter that carries energy from one place to another.

b)

occurs when two or more waves overlap each oher

c)

the lowest point in a wave

d)

the highest point in a wave

2.
A wave in which the particles of the medium move perpendicularly to the direction the wave is traveling
a)
A. surface wave
b)
B. transverse wave
c)
C. electromagnetic  wave
d)
D. longitudinal wave
3.
A wave that does not require a medium
a)
A. electromagnetic  wave. 
b)
B. surface wave
c)
C. medium
d)
D. transverse wave
4.
A wave that requires a medium through wave which to travel
a)
A. electromagnetic  wave
b)
B. longitudinal wave
c)
C. mechanical wave
d)
D. transverse wave
5.
Waves, including light waves and s waves, that moves perpendicular to the direction the wave is traveling
a)
Electromagnetic Spectrum
b)
Transverse Waves
c)
Medium
d)
Light Waves
6.
Carries energy from one place to another
a)
Waves
b)
Amplitude
c)
Frequency
d)
Crest
7.
Top of the wave
a)
Wavelength
b)
Amplitude
c)
Trough
d)
Crest
8.

Which electromagnetic wave has the highest frequency?

a)

Radio waves

b)

Gamma rays

c)

Ultraviolet rays

d)

Visible light

9.

Two waves combining to form a wave with a larger amplitude results in

a)

diffraction

b)

constructive interference

c)

reflection

d)

refraction

10.

What is an example of a microwave?

a)

FM Radio

b)

Radar

c)

Cell

d)

Baseball

11.

What word describes the number of waves that pass a certain point in a given amount

of time?

a)

Rarefaction

b)

Pitch

c)

Frequency

d)

Amplitude

12.

As the frequency of a wave decreases, the wave's

a)

period decreases

b)

amplitude increases

c)

speed decreases

d)

wavelength increases

13.

A water wave and a ray of light are both examples of

a)

movement waves

b)

transverse waves

c)

longitudinal waves

d)

compression waves

14.

The bending of a wave around the edge of a barrier is called

a)

reflection

b)

diffraction

c)

refraction

d)

interference

15.

Which electromagnetic wave has the lowest frequency?

a)

Gamma rays

b)

Visible light

c)

Radio waves

d)

Infrared rays

16.

Which of the listed electromagnetic waves has the shortest wavelength?

a)

Visible

b)

Ultraviolet

c)

Microwave

d)

Infrared

17.

On a sunny morning, students standing in front of a store window noticed an image of themselves in the glass. Why did the students see their image in the glass?

a)

Some of the light was reflected off the surface of the glass.

b)

Some of the light passed through the glass window.

c)

Some of the light was absorbed by the glass surface.

d)

Some of the light separated into different colors.

18.

The interaction between waves that meet is called

a)

refraction

b)

interference

c)

diffraction

d)

reflection

19.
A wave carries...?
a)
energy only
b)
matter only
c)
energy and matter
d)
neither
20.
Which of the following is NOT a mechanical wave?
a)
sound
b)
light
c)
ocean
d)
seismic
21.
The lowest part of the wave is called the ?
a)
frequency
b)
crest
c)
amplitude
d)
trough
22.
The highest point of a wave is called the ?
a)
crest
b)
trough
c)
wavelength
d)
frequency
23.
What is the measure of how many waves pass a point in a second?
a)
frequency
b)
wavelength
c)
midpoint
d)
crest and trough
24.
A compressional wave is another name for a 
a)
longitudinal wave
b)
electromagnetic wave
c)
radio wave
d)
hair wave
25.
In a longitudinal wave, the particles move...?
a)
back and forth
b)
up and down
c)
not at all
d)
at a 90 degree angle
26.
Amplitude is a measure of how much _________ the wave is carrying
a)
energy
b)
matter
c)
medium
d)
frequency
27.
The longer the _____________  the ______________ the frequency.
a)
wavelength, lower
b)
wavelength, higher
c)
amplitude, lower
d)
amplitude, higher
28.
Which wave has a greater frequency?
a)
A
b)
B
29.
The units for frequency are measured in _____________.
a)
hertz
b)
seconds
c)
m/s
d)
grams
30.
You can't hear sounds in outer space because there is no
a)
matter
b)
light
c)
energy
d)
heat
31.
What do seismic waves and sound waves have in common?
a)
they're mechanical waves
b)
they're electromagnetic waves
c)
they're transverse waves
d)
they're permanent waves
32.
When a wave's amplitude increases it means
a)
it's carrying more energy
b)
its wavelength gets longer
c)
its frequency increases
d)
its wavelength decreases
33.
Which is an example of a longitudinal wave?
a)
light wave
b)
sound wave
c)
visible wave
d)
radio wave
34.
Of the following, ________ have the greatest frequency of the electromagnetic spectrum.
a)
ultraviolet rays
b)
gamma rays
c)
radio
d)
visible waves
35.
All waves carry ________ as they travel from one place to another.
a)
matter
b)
space
c)
energy
d)
water
36.
Which type of wave arrives first during an earthquake?
a)
Primary (p-wave) waves
b)
Secondary (s-wave) waves
c)
Rayleigh Waves
d)
Love Waves
37.
Which type of wave is the most destructive wave?
a)
Primary Wave
b)
Secondary Wave
38.

Main type of seismic waves that can only travel through the surface of the Earth.

a)

seismic waves

b)

surface waves

c)

body waves

d)

primary waves

39.

This is considered as the fastest kind of seismic waves.

a)

Love waves

b)

Body waves

c)

Primary waves

d)

Secondary waves

40.

It can travel through solids only

a)

Love waves

b)

Rayleigh waves

c)

Primary waves

d)

Secondary waves

41.
An instrument that detects and measures earthquakes is a 
a)
seismogram
b)
focus seismic map
c)
focus
d)
seismograph 
42.
Which of the following is not an example of observed periodic motion?
a)
a car driving down a straight road
b)
the rotation of a wheel
c)
a playground swing
d)
ocean waves
43.
Which of the following actions will not produce sound?
a)
striking
b)
holding
c)
dropping
d)
rubbing
44.
All waves transmit...
a)
energy
b)
particles
c)
matter
d)
sound
45.
A jet fighter approaches, passes low overhead, and flies away. How does the pitch of its engine when it is flying away compare to the pitch when it was approaching you?
a)
louder
b)
lower
c)
higher
d)
unchanged
46.
While in the front yard, you can hear your dog barking in the backyard. This situation illustrates that sound waves can...
a)
refract
b)
reflect
c)
form beats
d)
diffract
47.

How a sound is represented on a computer

a)

Frequency

b)

Amplitude

c)

Wavelength

48.

The pitch of a sound (how high or low pitched it is)

a)

Frequency

b)

Amplitude

c)

Wavelength

49.

The volume of a sound (how loud it is)

a)

Frequency

b)

Amplitude

c)

Wavelength

50.

If someone has a very deep voice would have a low frequency

a)

True

b)

False

51.

Amplitude is the _______ of the sound

a)

Volume

b)

Pitch

52.

Frequency is the _______ of the sound

a)

Volume

b)

Pitch

53.

If the frequency of a sound goes too high, you will not be able to hear it

a)

True

b)

False

54.

If the amplitude of a sound goes too high, you will not be able to hear it

a)

True

b)

False

55.
When the car moves AWAY from you, its horn seems...
a)
Low pitched
b)
High pitched
c)
Normal
56.

When an ambulance move TOWARD you it sounds ________ pitched.

a)

high

b)

low

c)

normal

57.
When the sound source moves, the frequency changes
ex. police car siren sounding lower pitch after the car passes
a)
pitch
b)
frequency
c)
Doppler Effect
d)
medium
58.
The Doppler effect is seen when a wave-making source moves toward an observer. 
a)
True
b)
False
59.

An observer passes a 500 Hz sound source and moves away with a speed of 30 ms-1.

The frequency heard by the moving observer is

a)

456 Hz

b)

544 Hz

c)

460 Hz

d)

548 Hz

60.
________ is the degree of loudness of a sound.
a)
Pitch
b)
Volume
61.
________ is the highness or lowness of a sound.
a)
Volume
b)
Pitch
62.
When the sound source moves, the frequency changes
ex. ambulance sounds higher in pitch as it approached you
a)
pitch
b)
frequency
c)
Doppler Effect
d)
medium
63.
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
64.
A sound 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
65.
A wave has wavelength 2.5 m and a speed of 25 m/s. What is the frequency of the wave?
a)
25 Hz
b)
10 Hz
c)
5 Hz
d)
25 Hz
66.
A sound 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)
340 m/s
c)
3.4 Hz 
d)
34 Hz
67.
A sound wave has frequency of 25 Hz and a wavelength of 4 m. What is the speed of the wave?
a)
150 m/s
b)
100 m/s
c)
0.08 m/s
d)
0.8 m/s
68.
A wave has frequency of 20 Hz and a speed of 300 m/s. What is the wavelength of the wave?
a)
25 m
b)
125 m
c)
15 m
d)
25 m
69.
A sound wave has wavelength 25 m and a speed of 2500 m/s. What is the frequency of the wave?
a)
10 m/s
b)
10 Hz
c)
100 Hz
d)
100 m/s
70.

the maximum displacement of the medium from its rest position

a)

interference

b)

amplitude

c)

rest

d)

frequency

71.

the time required for one cycle, complete motion that returns to its starting point frequency

the number of complete cycles in a given time

a)

frequency

b)

period

c)

decibel

d)

wavelength

72.

any motion that repeats at regular time intervals

a)

period

b)

cycle

c)

periodic motion

d)

decibel