8l Sound And Hearing Multiple Choice Test

Chapter 12

Multiple choice test

Chapter

12 Sound and music

SoW ref

8L Sound and heating

Name

Class

Teacher

There is only one correct answer to each question. Tick () the box next to the answer that you think is right. 1

The best way to think about sounds is as A draughts in the air B radio signals picked up by your ears C vibrations passing through substances D reflections off things, like light for seeing

2

Lis was learning the guitar. Her tutor said there were two ways to make a higher pitched note.

Which line in the table gives the correct ways of doing this?

A

Change the tightness of the string looser

Change the length of the string shorter

B

looser

longer

C

tighter

shorter

D

tighter

longer

A 3

B

C

D

’In space no-one can hear you scream’ was a slogan used to advertise the film ‘Alien’. The idea in the slogan is true because A distances are very large in space B space is very cold and that deadens sound C spacesuits stop you hearing anything D there is nothing to carry the sound in space

Hodder Science Assessment Pack © 2003 Hodder & Stoughton Educational

Chapter 12 4

Multiple choice test

Which of the following best describes the typical range of frequencies that the human ear can detect? A 20 Hz – 20 000 Hz B 200 Hz – 2000 Hz C 1000 Hz – 10 000 Hz D 5000 Hz – 100 000 Hz

5 A sound wave can be displayed on a oscilloscope. The drawing shows a picture of a sound wave. Which of the distances marked is the wavelength?

A 6

B

C

D

Sounds can be displayed as sound waves. Which answer correctly describes how amplitude, frequency, loudness and pitch are related? A amplitude = frequency = pitch loudness B loudness = frequency = pitch amplitude C loudness = amplitude = pitch frequency D there is no relationship between these four things

Questions 7–9 refer to the following drawing of a human ear.

7

Which part labelled is the ear drum? A B C

D

Hodder Science Assessment Pack © 2003 Hodder & Stoughton Educational

Chapter 12

Multiple choice test

8

Which part of the ear is most likely to be damaged by exposure to very loud sounds? A B C D

9

The ‘small bones’ in the ear carry the sound signal to which part of the ear? A B C D

10 What units are used to measure sound levels? A micro amps B decibels C metres cubed D newtons 11 The drawing shows someone wearing ear defenders.

Which line in the table sums up how ear defenders work? Outer shell

Inner padding

A

absorbs sound

absorbs sound

B

absorbs sound

reflects sound

C

reflects sound

absorbs sound

D

reflects sound

reflects sound

A

B

C

D

12 As people get older their hearing gets worse and they can’t hear high pitched sounds. Which answer best describes how this problem is caused? A the eardrum gets brittle with age B the ears get blocked by wax C the outer ear grows much larger D sensitive hairs in the cochlea get damaged

Hodder Science Assessment Pack © 2003 Hodder & Stoughton Educational