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Sound Waves

Total questions: 58

Worksheet time: 40mins

Name
Class
Date
1.
A disturbance that travels through a medium as a longitudinal wave
a)
sound
b)
wavelength
c)
pitch
d)
frequency
2.
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)

crests

d)
amplitude
4.
Material (matter) through which a wave travels
a)
medium
b)
Doppler Effect
c)
sound
d)
pitch
5.
How high or low a sound is; depends on the frequency (greater frequency= higher pitch)
a)
pitch
b)
frequency
c)
sound
d)
medium
6.
A wave in which the vibration is in the same direction as that in which the wave is traveling; sound waves
a)
longitudinal wave
b)
ocean wave
c)
transverse wave
d)
mechanical wave
7.

Sound is made when a source of energy forces the matter to

a)

Vibrate

b)

Move

c)

Stay still

8.

Sound waves CANNOT travel through which of these:

a)

Paper

b)

Milk

c)

Outer space

9.

The amount of energy a sound wave carries per second through a unit of area is its

a)

Pitch

b)

Intensity

c)

Wavelength

d)

Frequency

10.

The _______ of a wave increases with increased energy.

a)

Wave length

b)

Amplitude

11.

Loudness of waves is measured in

a)

Hertz

b)

Decibels

c)

Watts

12.

Frequency of waves is measured in

a)

Hertz

b)

Decibels

c)

Watts

13.

In the lab a sound tube hit the water and reflect back with a resonance wave at 20cm in height, making a wavelength value of 0.8meters. Knowing the speed of sound in the classroom is 334m/s what was the frequency?

a)

298 Hz

b)

375 Hz

c)

418 Hz

d)

288 Hz

14.
High Amplitude =__________________
a)
Louder sounds
b)
Quieter Sounds
15.
Low frequency = _______ Pitch
a)
Low
b)
High
16.
In General Sound waves travel the slowest in __________
a)
solid
b)
liquid
c)
Gas
d)

vacuum

17.

In General Sound waves travel the fastest in solids. Copper wire has a speed of 2325m/s. A noise travels through the wire with a frequency of 422 Hz. What is the wavelength?

a)

4.5 m

b)

5.5 m

c)

2.5 m

d)

7.6 m

18.

Which wavelength would have the fastest speed?

a)

High Frequency Wavelength.

b)

Low frequency Wavelength.

c)

Neither they both travel the same speed

d)

The have the same speed because they have the same amplitude.

19.

You see lighting and 2 seconds later you hear the thunder. How far is the lightning away from your position? * the speed of sound is 340m/s.

a)

680 meters away

b)

340 meters away

c)

2 seconds away

d)

1 mile away

20.

One way to calculate the speed of sound is using the equation: speed = distance/time, another is

a)

speed= frequency *wavelength

b)

speed= frequency/wavelength

c)

speed= 1/r^2

d)

Speed = power/area

21.
travels through solids fastest because the molecules are closer together
a)
speed of sound
b)
wavelength
c)
frequency
d)
amplitude
22.
The number of wavelengths that pass a point each second
a)
frequency
b)
wavelength
c)

crests

d)
amplitude
23.
Material (matter) through which a wave travels
a)
medium
b)
Doppler Effect
c)
sound
d)
pitch
24.
A wave in which the vibration is in the same direction as that in which the wave is traveling; sound waves
a)
longitudinal wave
b)
ocean wave
c)
transverse wave
d)
mechanical wave
25.

Sound is made when a source of energy forces the matter to

a)

Vibrate

b)

Move

c)

Stay still

26.

Sound waves CANNOT travel through which of these:

a)

Paper

b)

Milk

c)

Outer space

27.

Why do you hear lighting before you see thunder?

a)

sound waves travel faster than sound waves

b)

Light waves travel faster than sound waves

c)

lighting happens before thunder

28.

Travels the fastest through air

a)

Light

b)

Sound

c)

Both

29.

This wave requires a medium.

a)

Light

b)

Sound

c)

Both

30.

If lightning strikes you see it before you hear the thunder because...

a)

Sound travels faster than light

b)

Light travels faster than sound

31.

Higher amplitude = more energy

a)

Light

b)

Sound

c)

Both

32.

What is the amplitude of the wave?

a)

3 cm

b)

8 cm

c)

16 cm

d)

24 cm

33.
The distance between the line of origin to the top of the wave is called
a)
amplitude
b)
wavelength
c)
frequency
d)
speed
34.
What word describes the number of waves that pass a certain point in a given amount of time?
a)
rarefactions
b)
amplitude
c)
resonance
d)
frequency
35.
Sound will usually travel the fastest in a ____________.
a)
vacuum
b)
solid
c)
liquid
d)
gas
36.
top part of a wave
a)
crest
b)
trough
c)
wavelength
d)
amplitude
37.
The distance between one crest and the next crest is the wave's
a)
amplitude
b)
wavelength
c)
frequency
d)
speed
38.
Which wave has a greater frequency?
a)
A
b)
B
39.
Which statement best defines a wave medium?
a)
the material through which a wave travels
b)
a point halfway between the crest and trough
c)
the distance from one wave crest to the next
d)
the speed at which waves travel in water
40.
Question Image

Match these wave parts

a)

Crest

1.

top

b)

Trough

2.

bottom

c)

Wavelength

3.

distance between waves

d)

Amplitude

4.

height of wave

e)

frequency

5.

how often a wave occurs

41.

Which sound wave has the lowest pitch?

a)
b)
c)
42.

We measure pitch in....

a)

Volume

b)

Decibles

c)

Amplitude

d)

Hertz

43.

match

a)

vibration

1.

move back and forth

b)

echo

2.

sound bounces back

c)

reflection

3.

light bounces back

d)

refraction

4.

light bends

44.

Match these

a)

sound

1.

longitudinal wave

b)

light

2.

transverse wave

c)

energy

3.

the ability to do work

45.

__________ means to move back and forth quickly.

a)

Pitch

b)

Amp (Amplitude)

c)

Vibrate (vibration)

d)

Echo

46.

The (a)   is a unit of sound intensity.

47.

Which of the following images shows a change in amplitude?

a)

b)

48.

Which of the following images shows a change in frequency?

a)

b)

49.

Which wave represents a shouting sound?

a)

A

b)

B

c)

A and B

50.

The apparent change in frequency as a wave source moves in relation to the listener is the ___________.

a)

Doppler Effect

b)

Doppler Radar

c)

Doppelganger

51.

Sound waves are of these type

a)

Longitudinal

b)

Transverse

c)

Mechnical

d)

Electromagnetic

52.

Which of the following has the most effect on the speed of sound in air?

a)

amplitude

b)

frequency

c)

wavelength

d)

temperature

53.

A car horn has a frequency of 400 Hz. The car is moving away from an intersection at 20 m/s. The frequency heard by a woman standing at the intersection could be (No math! Think concept)!

a)

390 Hz

b)

400 Hz

c)

410 Hz

d)

420 Hz

54.

The parts of a longitudinal wave where particles of matter are spread farthest apart are called...

a)

crest

b)

vibrations

c)

rarefactions

d)

compressions

55.

You stand on the sidewalk next to the street. A fire truck is moving away from you. The frequency of the firetruck is 500Hz. What could you hear?

a)

frequency of 500 Hz

b)

frequency of 720 Hz

c)

frequency of 375 Hz

d)

frequency of 1000 Hz

56.

You stand on the sidewalk next to the street. A fire truck is moving towards you. The frequency of the firetruck is 600Hz. What should you hear?

a)

frequency higher than 600 Hz

b)

exactly 600 Hz

c)

frequency lower than 600 Hz

d)

no sound, silence

57.

The Doppler Effect casues a shift in

a)

pitch

b)

frequency

c)

wavelength

d)

All of the above

58.

What can a Doppler effect be experienced with?

a)

Light

b)

Sound

c)

Water

d)

Any type of wave

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