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SOUND ks3

Total questions: 17

Worksheet time: 9mins

Name
Class
Date
1.

Light travels... (select 2 answers)

a)

Around corners

b)

In straight lines

c)

Faster in glass than in air

d)

Faster than sound

2.

The picture shows 4 sound waves on an oscilloscope. Which has the highest pitch?

a)

A

b)

B

c)

C

d)

D

3.

The picture shows 4 sound waves on an oscilloscope. What can you say about A?

a)

It is a very low pitched sound

b)

It is a very high pitched sound

c)

It is a very quiet sound

d)

It is a very loud sound

4.

The picture shows 4 sound waves on an oscilloscope. Which 2 have the smallest amplitude?

a)

A

b)

B

c)

C

d)

D

5.

Which statement is true of sound waves. Select 2 answers.

a)

They are made by objects vibrating

b)

They are detected because they make our ear drum vibrate

c)

They are transverse waves

d)

They travel faster in air than in water.

6.

What is the height of a wave called?

a)

Peak

b)

Wavelength

c)

Amplitude

d)

Frequency

7.

Sound waves are caused by the (a)   of particles

8.

The distance between 2 crests or troughs

a)

wavelength

b)

amplitude

c)

frequency

d)

wave speed

9.

All waves can be reflected

a)

true

b)

false

10.
After the train passed, the pitch of the train whistle became lower. This change in sound would be represented by what change in the diagram above? 
a)
The distance represented by C would increase. 
b)
The distance represented by C would decrease. 
c)
The distance represented by D would increase. 
d)
The distance represented by D would decrease. 
11.

The speed of sound is about...

a)

30 m/s

b)

300 m/s

c)

30 000 m/s

d)

300 00 0m/s

12.

a)

A

b)

B

13.

a)

A

b)

B

14.

Human can hear Ultrasound?

a)

YES

b)

NO

15.

Select the correct answer: Ultrasound are...

a)

sounds that only dolphins can produce

b)

sounds that have a frequency above 20 000Hz

c)

sounds that only superheroes can hear

d)

sounds that are below 20 000Hz

16.

From the words below, which one is linked with the Pitch of the sound

a)

Amplitude

b)

Loudness

c)

Frequency

d)

speed

17.

Frequency is measured in

a)

m/s

b)

m

c)

Hz

d)

Decibel