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Sound

Total questions: 30

Worksheet time: 19mins

Name
Class
Date
1.
An ________ is a reflected sound.
a)
Vibration
b)
Echo
c)
Pitch
d)
Volume
2.

_____________ is the highness or lowness of a sound.

a)

Amplitude

b)

Pitch

c)

Volume

d)

Vibration

3.

__________ means to move back and forth quickly.

a)

Pitch

b)

Amplitude

c)

Vibrate

d)

Echo

4.
______________ is the amount of energy in a sound wave.
a)
Amplitude
b)
Echo
c)
Volume
d)
Vibration
5.
Your ear changes the vibration of sound waves into signals. The signals are then interpreted by your brain.
a)
True
b)
False
6.
If a sound has a high amplitude then it also has a ____________!!!
a)
fast echo
b)
slow pitch
c)
high volume
d)
low volume
7.
Sound waves travel the SLOWEST through _____________.
a)
gases
b)
solids
c)
liquids
8.
Sound moves in a _________.
a)
Transverse wave
b)
Longitudinal wave
9.
How is sound produced?
a)
By the vibration of particles
b)
By the transfer of particles 
10.
Area of a longitudinal wave where particles are CLOSE together.
a)
Compression
b)
Rarefaction
11.
Area of a longitudinal wave where particles are APART. 
a)
Compression
b)
Rarefaction
12.
The reflection of sound waves off of a hard surface can create ______.
a)
A wave
b)
An echo 
13.
Soft surfaces _______ sound waves. 
a)
Reflect
b)
Absorb
14.
___________ measures  how close or  far particles are.
a)
Amplitude
b)
Frequency 
15.
____________ is determined by sound wave's frequency. 
a)
Compression
b)
Pitch 
16.
_______ is the number of waves that pass a certain point at an specific time. 
a)
Frequency 
b)
Pitch
c)
Amplitude
d)
I don't know
17.
Sound travels FASTEST through which of these materials?
a)
Air
b)
Empty space
c)
Metal
d)
Water
18.
What is vibration?
a)
how loud a sound is
b)
the back and forth movement of matter
c)
how high or low a sound is
d)
the loudness or softness of a sound
19.
Sound is a form of? 
a)
energy
b)
pitch
c)
volume
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.
21.
What is frequency?
a)
the number of vibrations per second
b)
how high or low a sound is
c)
the loudness or softness of a sound
d)
the back and forth movement of matter
22.

Which of these sound waves has the highest frequency?

a)
b)
c)
23.

Which sound wave has the lowest pitch?

a)
b)
c)
24.

What part of the wave are the arrows pointing to?

a)

Crest

b)

Trough

c)

Amplitude

d)

Origin

25.

What is ultrasound?

a)

Sound with a frequency higher than 20.000 Hz

b)

Sound with a frequency lower than 20 Hz

c)

Sound with a frequency 20 Hz

d)

sound with a frequency 20.000 Hz

26.

Part of the ear that gathers sound waves is the ______.

a)

Ear drum

b)

Cochlea

c)

Outer Ear

27.

______ is the amount of energy transferred across an area in a certain time and influences how far sounds can be heard.

a)

Loudness

b)

Intensity

c)

Volume

d)

Perception

28.

Sound intensity is measured in _____.

a)

Hertz

b)

Nanometers

c)

Decibels

29.

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

30.
Why is sound able to travel faster through a solid than a gas?
a)
Gas molecules are packed tightly.
b)
Sound does not travel faster through a solid than a gas.
c)
Solid molecules are packed tightly.
d)
Gas molecules move slowly.