Quiz about P1.2 Sound

Question 1

What do waves transfer?

Accepted Answer

Energy or information

Answer

Information or matter

Answer

Energy or matter

Answer

Only matter

Question 2

What causes waves?

Accepted Answer

Vibrations

Answer

Chemical reactions

Answer

Changes of state

Answer

Physical reactions

Question 3

What is the distance from the middle to the top of a wave called?

Accepted Answer

Amplitude

Answer

Frequency

Answer

Wavelength

Answer

Crest

Question 4

What is the name for the number of waves that pass per second?

Accepted Answer

Frequency

Answer

Trough

Answer

Amplitude

Answer

Pitch

Question 5

What is the distance from one part of a wave to the same point on the next wave?

Accepted Answer

Wavelength

Answer

Frequency

Answer

Crest

Answer

Amplitude

Question 6

Which type of wave vibrates at right angles to the direction of the wave?

Accepted Answer

Transverse

Answer

Seismic

Answer

Longitudinal

Answer

Sound

Question 7

Which type of wave vibrates parallel to the direction of the wave?

Accepted Answer

Longitudinal

Answer

Micro

Answer

Light

Answer

Transverse

Question 8

What is the name for the parts that are close together on a longitudinal wave?

Accepted Answer

Compressions

Answer

Peaks

Answer

Rarefactions

Answer

Troughs

Question 9

What is the name for when transverse or longitudinal waves bounce off a surface?

Accepted Answer

Reflection

Answer

Superpose

Answer

Rarefaction

Answer

Amplitude

Question 10

When waves are put together they can either add up or cancel out. What is the name for this?

Accepted Answer

Superpose

Answer

Disperse

Answer

Refract

Answer

Reflect

Question 11

What type of wave is a sound wave?

Accepted Answer

Longitudinal

Answer

Transverse

Question 12

Which of these can sound not pass through?

Accepted Answer

Vacuums only

Answer

Vacuums

Answer

solids & liquids

Answer

Vacuums & solids

Answer

Vacuums

Question 13

What is the speed of sound in air?

Accepted Answer

340m/s

Answer

3.4m/s

Answer

3,400m/s

Answer

34.0m/s

Question 14

Through which medium does sound travel fastest?

Accepted Answer

Solids

Answer

Gases

Answer

Vacuums

Answer

Liquids

Question 15

What causes sound?

Accepted Answer

Vibrations of particles

Answer

Movement of electrons

Answer

Particles exploding on impact

Answer

Chemical reaction between particles in air

Question 16

What happens when an object goes faster than the speed of sound?

Accepted Answer

There is a 'sonic boom'

Answer

They break apart

Answer

They get bigger

Answer

They get smaller

Question 17

Which travels faster?

Accepted Answer

Light

Answer

Sound

Question 18

What equation can we use to work out the speed of sound?

Accepted Answer

Distance/Time

Answer

Distance - Time

Answer

Time/Distance

Answer

Distance x Time

Question 19

Through which material would sound travel fastest?

Accepted Answer

Steel

Answer

Wood

Answer

Seawater

Answer

Oxygen

Question 20

Why was it difficult for us to get accurate calculations for the speed of sound?

Accepted Answer

We cannot react quick enough over the short distance

Answer

Our stopwatches are not good enough

Answer

We took too many repeats

Answer

We could not see the objects being hit

Question 21

What piece of equipment allows us to see sound waves?

Accepted Answer

Oscilloscope

Answer

Microscope

Answer

Tuning fork

Answer

Microphone

Question 22

What do louder sounds have?

Accepted Answer

Bigger amplitude & more energy

Answer

Smaller amplitude & less energy

Answer

Bigger amplitude & less energy

Answer

Smaller amplitude & more energy

Question 23

How are louder sounds produced?

Accepted Answer

By bigger vibrations

Answer

By slower vibrations

Answer

By faster vibrations

Answer

By smaller vibrations

Question 24

What is the pitch of a sound linked to?

Accepted Answer

Frequency

Answer

Trough height

Answer

Crest height

Answer

Amplitude

Question 25

What do higher pitched sounds have?

Accepted Answer

Higher frequency

Answer

Larger amplitude

Answer

Lower frequency

Answer

Smaller amplitude

Question 26

What is the name of the range of frequencies an animal has?

Accepted Answer

Audible range

Answer

Frequency range

Answer

Pitch range

Answer

Hearing range

Question 27

What is the unit for frequency?

Accepted Answer

Hertz

Answer

Decibels

Answer

metres

Answer

Milliseconds

Question 28

What is the audible range of humans?

Accepted Answer

20 - 20,000Hz

Answer

20 - 2,000Hz

Answer

200 - 20,000 Hz

Answer

200 - 200,000Hz

Question 29

Which of these organisms can hear the highest frequency sounds?

Accepted Answer

Bat

Answer

Howler Monkey

Answer

Human

Answer

Elephant

Question 30

What term is given to frequencies greater than 20,000Hz?

Accepted Answer

Ultrasound

Answer

Infrasound

Answer

Exosound

Answer

Megasound

Question 31

Which part of the ear directs sound waves into the auditory canal?

Accepted Answer

Pinna

Answer

Ossicles

Answer

Cochlea

Answer

Eardrum

Question 32

What happens to the eardrum when sound waves hit it?

Accepted Answer

It vibrates

Answer

It breaks

Answer

It closes

Answer

It opens

Question 33

What are the tiny bones in your middle ear called?

Accepted Answer

Ossicles

Answer

Pinna

Answer

Cochlea

Answer

Eardrum

Question 34

Which part of the ear contains a fluid and small hairs through which vibrations pass?

Accepted Answer

Cochlea

Answer

Auditory Canal

Answer

Auditory Nerve

Answer

Ossicles

Question 35

What energy transfer takes place during hearing?

Accepted Answer

Sound to electrical

Answer

Sound to light

Answer

Electrical to sound

Answer

Sound to heat

Question 36

Where do electrical signals travel along the auditory nerve to?

Accepted Answer

Brain

Answer

Ear

Answer

Heart

Answer

Spine

Question 37

What is the unit used to measure sound intensity?

Accepted Answer

Decibels

Answer

Amps

Answer

Hertz

Answer

Volts

Question 38

Which of these does not damage your hearing?

Accepted Answer

Using earphones

Answer

Listening to loud music

Answer

Ear wax in the auditory canal

Answer

A hole in the eardrum

Question 39

What would the sound intensity be for a normal conversation?

Accepted Answer

60dB

Answer

2dB

Answer

100dB

Answer

20dB

Question 40

What is the name of the flexible plate that vibrates in a microphone?

Accepted Answer

Diaphragm

Answer

Pinna

Answer

Ossicles

Answer

Amplifier

Question 41

What is the name for when sound reflects off an object?

Accepted Answer

Echo

Answer

Reverberation

Answer

Ultrasound

Answer

Transmitter

Question 42

What is the name for when lots of echoes join together to produce a longer sound?

Accepted Answer

Reverberation

Answer

Transmitter

Answer

Ultrasound

Answer

Echo

Question 43

The speed of sound in air is 340m/s. A sound takes 1 second to reflect off a wall. How far away is the wall?

Accepted Answer

170m

Answer

You cannot know with this information

Answer

340m

Answer

680m

Question 44

What frequency is ultrasound?

Accepted Answer

Above 20,000 Hz

Answer

Below 20,000 Hz

Answer

Below 2,000 Hz

Answer

Above 2,000 Hz

Question 45

What equipment would be needed to calculate the speed of sound?

Accepted Answer

Metre wheel & stopwatch

Answer

Ruler & stopwatch

Answer

Ruler & clock

Answer

Metre wheel & clock

Question 46

The speed of sound is 340 m/s. How far would sound travel in 5 seconds?

Accepted Answer

1,700 m

Answer

3,400 m

Answer

680 m

Answer

68 m

Question 47

What piece of equipment on a ship sends out ultrasound waves?

Accepted Answer

Transmitter

Answer

Receiver

Answer

Emitter

Answer

Probe

Question 48

Which of the following is not a use of ships for ultrasound?

Accepted Answer

Radio call with other ships

Answer

Locate submarines

Answer

Locate schools of fish

Answer

Find the depth

Question 49

Why do bats use ultrasound to communicate and catch food?

Accepted Answer

They are most active in the dark

Answer

They have very poor hearing

Answer

They have very bad eyesight

Answer

So humans can't hear them

Question 50

What is the name for locating objects based on the reflection of sounds?

Accepted Answer

Echolocation

Answer

Echoreflection

Answer

Locatoflection

Answer

Reflectolocation

P1.2 Sound

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