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WorksheetsP1.2 Sound
Total questions: 50
Worksheet time: 17mins
Name
Class
Date
1.
What do waves transfer?
a)
Energy or information
b)
Information or matter
c)
Energy or matter
d)
Only matter
2.
What causes waves?
a)
Vibrations
b)
Chemical reactions
c)
Changes of state
d)
Physical reactions
3.
What is the distance from the middle to the top of a wave called?
a)
Frequency
b)
Amplitude
c)
Wavelength
d)
Crest
4.
What is the name for the number of waves that pass per second?
a)
Trough
b)
Amplitude
c)
Frequency
d)
Pitch
5.
What is the distance from one part of a wave to the same point on the next wave?
a)
Frequency
b)
Crest
c)
Wavelength
d)
Amplitude
6.
Which type of wave vibrates at right angles to the direction of the wave?
a)
Seismic
b)
Longitudinal
c)
Sound
d)
Transverse
7.
Which type of wave vibrates parallel to the direction of the wave?
a)
Micro
b)
Light
c)
Longitudinal
d)
Transverse
8.
What is the name for the parts that are close together on a longitudinal wave?
a)
Peaks
b)
Rarefactions
c)
Troughs
d)
Compressions
9.
What is the name for when transverse or longitudinal waves bounce off a surface?
a)
Superpose
b)
Rarefaction
c)
Amplitude
d)
Reflection
10.
When waves are put together they can either add up or cancel out. What is the name for this?
a)
Disperse
b)
Refract
c)
Superpose
d)
Reflect
11.
What type of wave is a sound wave?
a)
Longitudinal
b)
Transverse
12.
Which of these can sound not pass through?
a)
Vacuums only
b)
Vacuums
c)
solids & liquids
d)
Vacuums & solids
e)
Vacuums
13.
What is the speed of sound in air?
a)
3.4m/s
b)
3,400m/s
c)
340m/s
d)
34.0m/s
14.
Through which medium does sound travel fastest?
a)
Solids
b)
Gases
c)
Vacuums
d)
Liquids
15.
What causes sound?
a)
Movement of electrons
b)
Particles exploding on impact
c)
Vibrations of particles
d)
Chemical reaction between particles in air
16.
What happens when an object goes faster than the speed of sound?
a)
They break apart
b)
They get bigger
c)
There is a 'sonic boom'
d)
They get smaller
17.
Which travels faster?
a)
Light
b)
Sound
18.
What equation can we use to work out the speed of sound?
a)
Distance - Time
b)
Time/Distance
c)
Distance x Time
d)
Distance/Time
19.
Through which material would sound travel fastest?
a)
Wood
b)
Seawater
c)
Steel
d)
Oxygen
20.
Why was it difficult for us to get accurate calculations for the speed of sound?
a)
We cannot react quick enough over the short distance
b)
Our stopwatches are not good enough
c)
We took too many repeats
d)
We could not see the objects being hit
21.
What piece of equipment allows us to see sound waves?
a)
Microscope
b)
Tuning fork
c)
Microphone
d)
Oscilloscope
22.
What do louder sounds have?
a)
Smaller amplitude & less energy
b)
Bigger amplitude & less energy
c)
Smaller amplitude & more energy
d)
Bigger amplitude & more energy
23.
How are louder sounds produced?
a)
By slower vibrations
b)
By faster vibrations
c)
By smaller vibrations
d)
By bigger vibrations
24.
What is the pitch of a sound linked to?
a)
Frequency
b)
Trough height
c)
Crest height
d)
Amplitude
25.
What do higher pitched sounds have?
a)
Larger amplitude
b)
Lower frequency
c)
Smaller amplitude
d)
Higher frequency
26.
What is the name of the range of frequencies an animal has?
a)
Frequency range
b)
Pitch range
c)
Audible range
d)
Hearing range
27.
What is the unit for frequency?
a)
Decibels
b)
metres
c)
Hertz
d)
Milliseconds
28.
What is the audible range of humans?
a)
20 - 2,000Hz
b)
20 - 20,000Hz
c)
200 - 20,000 Hz
d)
200 - 200,000Hz
29.
Which of these organisms can hear the highest frequency sounds?
a)
Howler Monkey
b)
Bat
c)
Human
d)
Elephant
30.
What term is given to frequencies greater than 20,000Hz?
a)
Ultrasound
b)
Infrasound
c)
Exosound
d)
Megasound
31.
Which part of the ear directs sound waves into the auditory canal?
a)
Ossicles
b)
Cochlea
c)
Pinna
d)
Eardrum
32.
What happens to the eardrum when sound waves hit it?
a)
It breaks
b)
It vibrates
c)
It closes
d)
It opens
33.
What are the tiny bones in your middle ear called?
a)
Pinna
b)
Ossicles
c)
Cochlea
d)
Eardrum
34.
Which part of the ear contains a fluid and small hairs through which vibrations pass?
a)
Auditory Canal
b)
Cochlea
c)
Auditory Nerve
d)
Ossicles
35.
What energy transfer takes place during hearing?
a)
Sound to light
b)
Electrical to sound
c)
Sound to electrical
d)
Sound to heat
36.
Where do electrical signals travel along the auditory nerve to?
a)
Ear
b)
Brain
c)
Heart
d)
Spine
37.
What is the unit used to measure sound intensity?
a)
Decibels
b)
Amps
c)
Hertz
d)
Volts
38.
Which of these does not damage your hearing?
a)
Using earphones
b)
Listening to loud music
c)
Ear wax in the auditory canal
d)
A hole in the eardrum
39.
What would the sound intensity be for a normal conversation?
a)
2dB
b)
60dB
c)
100dB
d)
20dB
40.
What is the name of the flexible plate that vibrates in a microphone?
a)
Pinna
b)
Diaphragm
c)
Ossicles
d)
Amplifier
41.
What is the name for when sound reflects off an object?
a)
Reverberation
b)
Ultrasound
c)
Echo
d)
Transmitter
42.
What is the name for when lots of echoes join together to produce a longer sound?
a)
Reverberation
b)
Transmitter
c)
Ultrasound
d)
Echo
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?
a)
You cannot know with this information
b)
340m
c)
680m
d)
170m
44.
What frequency is ultrasound?
a)
Below 20,000 Hz
b)
Above 20,000 Hz
c)
Below 2,000 Hz
d)
Above 2,000 Hz
45.
What equipment would be needed to calculate the speed of sound?
a)
Ruler & stopwatch
b)
Metre wheel & stopwatch
c)
Ruler & clock
d)
Metre wheel & clock
46.
The speed of sound is 340 m/s. How far would sound travel in 5 seconds?
a)
3,400 m
b)
1,700 m
c)
680 m
d)
68 m
47.
What piece of equipment on a ship sends out ultrasound waves?
a)
Receiver
b)
Transmitter
c)
Emitter
d)
Probe
48.
Which of the following is not a use of ships for ultrasound?
a)
Locate submarines
b)
Locate schools of fish
c)
Find the depth
d)
Radio call with other ships
49.
Why do bats use ultrasound to communicate and catch food?
a)
They have very poor hearing
b)
They have very bad eyesight
c)
So humans can't hear them
d)
They are most active in the dark
50.
What is the name for locating objects based on the reflection of sounds?
a)
Echoreflection
b)
Locatoflection
c)
Echolocation
d)
Reflectolocation
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