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Sound

Total questions: 26

Worksheet time: 50mins

Name
Class
Date
1.
A reflected sound wave is know as a/an ___________.
a)
frequency
b)
pitch
c)
echo
d)
rarefaction
2.

What type of wave is a sound wave? 

a)

Transverse Wave

b)

Longitudinal wave

c)

Tidal wave

d)

Light wave

3.

What is the lowest frequency a human can hear ? 

a)

30 Hz

b)

2 Hz

c)

20 Hz

d)

20,000 Hz

4.

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

5.

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.

6.

High pitch sounds are caused by a ______ vibration

a)

fast 

b)

slow

c)

hard

d)

sharp

7.
______ is how loud or soft a sound is; depends on the amplitude.
a)
pitch
b)
frequency
c)
loudness
d)
medium
8.

Sound is a form of energy produced by ______________.

a)

Vibrations

b)

Distances

c)

Prisms

d)

Forces

9.

Sound waves travel the FASTEST through _____________.

a)

Gases

b)

Liquids

c)

Solids

10.

An object that does not vibrate cannot produce

a)

Sound

b)

Light

c)

Heat

d)

Electricity

11.

Why do we see lightning before we hear the thunder?

a)

Our eyes trick us.

b)

Light travels faster than sound.

c)

they're two separate things.

12.

When people speak their ________ vibrate.

a)

Ear drums

b)

Vocal chords

c)

Ears

d)

Tongue

13.

________ describes how LOUD a sound is.

a)

Amplitude

b)

Frequency

14.

A sound with a high frequency has a _____ pitch. A sound with a ____ frequency has a low pitch.

a)

high, low

b)

low, high

c)

medium, high

d)

high, medium

15.

______________ sounds have a larger amplitude

a)

Quiet

b)

Loud

16.

In which medium sound can't travel?

a)

solid

b)

liquid

c)

gas

d)

vacuum

17.

In which medium speed of sound are fastest?

a)

vacuum

b)

solid

c)

liquid

d)

gas

18.

What is the range of frequencies audible to the human ear

a)

lower than 20 Hz

b)

20 Hz - 20.000 Hz

c)

higher than 20.000 Hz

d)

0 Hz - infinite Hz

19.

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

20.

True or False: Sound needs a medium.

a)

True

b)

False

21.

The unit for measuring frequency is the ---

a)

Joule

b)

Hertz

c)

Gram

d)

Newton

22.
If distance C on the diagram increased, what would happen to the pitch? 
a)
The pitch would be louder. 
b)
The pitch would be softer. 
c)
The pitch would be higher. 
d)
The pitch would be lower. 
23.
If the distance represented by the letter A were increased, how would it change the way the sound was heard?
a)
The sound would be higher. 
b)
The sound would be lower. 
c)
The sound would be softer. 
d)
The sound would be louder. 
24.

Which device measures sound waves?

a)

Oscilloscope

b)

Stethoscope

c)

Radio

d)

None of the above

25.

____________ is determined by sound's frequency

a)

Compression

b)

Pitch

26.

What is this?

a)

Ear Drum

b)

Ear Canal

c)

Nerve

d)

Cochlea

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