Waves: Interactive Learning Quizzes for Year 7 Science

Question 1

Sound is produced by the vibration of sound sources like a speaker. What happens to the frequency of the sound if the sound source vibrates faster?

Accepted Answer

The frequency of the sound wave increases.

Answer

The speed of the sound wave increases.

Answer

The frequency of the sound wave decreases.

Question 2

Which of these is NOT a mechanical wave?

Accepted Answer

Electromagnetic wave

Answer

Sound wave

Answer

Water wave

Answer

Seismic wave

Question 3

Which of these waves does NOT need a medium to travel?

Accepted Answer

Electromagnetic wave

Answer

Transverse wave

Answer

Longitudinal wave

Answer

Surface wave

Question 4

In a mechanical wave, how do wavelength, frequency, and wave velocity relate to each other?

Accepted Answer

Wavelength is inversely proportional to frequency and directly proportional to wave velocity.

Answer

Wavelength is directly proportional to both frequency and wave velocity.

Answer

Frequency is directly proportional to wave velocity, while wavelength is inversely proportional to wave velocity.

Question 5

How is the Doppler effect used to measure the speed of moving objects like vehicles or stars?

Accepted Answer

By analyzing the shift in frequency of waves reflected from the moving object

Answer

By measuring the change in amplitude of waves reflected from the moving object

Answer

By measuring the change in wavelength of waves reflected from the moving object

Answer

By measuring the change in the speed of waves reflected from the moving object

Question 6

Which of these is NOT a property of waves?

Accepted Answer

Volume

Answer

Wavelength

Answer

Speed

Answer

Frequency

Question 7

Which of these is NOT a property of waves?

Accepted Answer

Colour

Answer

Wavelength

Answer

Frequency

Answer

Amplitude

Question 8

Which of these describes a characteristic of waves?

Accepted Answer

Amplitude

Accepted Answer

Frequency

Answer

Color

Question 9

What is a defining characteristic of waves?

Accepted Answer

Waves need a medium, like air or water, to travel through.

Answer

Waves can only travel through solid objects.

Answer

Waves always move in straight lines.

Question 10

Which of these is not a characteristic of waves?

Accepted Answer

Mass

Answer

Wavelength

Answer

Frequency

Answer

Amplitude

Question 11

Which of the following is NOT a property of waves?

Accepted Answer

Density

Answer

Wavelength

Answer

Frequency

Answer

Amplitude

Question 12

Which of the following is NOT a characteristic of waves?

Accepted Answer

Color

Answer

Wavelength

Answer

Frequency

Answer

Amplitude

Question 13

Which of these is NOT a characteristic of waves?

Accepted Answer

Mass

Answer

Wavelength

Answer

Frequency

Answer

Amplitude

Question 14

Which of the following is NOT a property of waves?

Accepted Answer

Refraction

Answer

Wavelength

Answer

Frequency

Answer

Amplitude

Question 15

Which of these is NOT a characteristic of waves?

Accepted Answer

Temperature

Answer

Frequency

Answer

Amplitude

Answer

Wavelength

Question 16

Electromagnetic waves, like light and radio waves, have a special ability. What is it?

Accepted Answer

They can move through empty space.

Answer

They can only move through solids.

Answer

We can always see them.

Answer

Magnets don't affect them.

Question 17

Which property is NOT shared by all types of waves?

Accepted Answer

Polarization

Answer

Wavelength

Answer

Frequency

Answer

Amplitude

Question 18

Which of the following is not a type of mechanical wave?

Accepted Answer

Tidal wave

Answer

Transverse wave

Answer

Longitudinal wave

Answer

Stationary wave

Question 19

What property of a wave determines its height or loudness?

Accepted Answer

Amplitude

Answer

Wavelength

Answer

Frequency

Answer

Speed

Question 20

What factor primarily determines the speed of a mechanical wave?

Accepted Answer

Medium through which it travels

Answer

Amplitude of the wave

Answer

Frequency of the wave

Answer

Wavelength of the wave

Question 21

Which type of wave is sound?

Accepted Answer

Sound wave

Answer

Water wave

Answer

Light wave

Answer

Electromagnetic wave

Question 22

What is the SI unit for measuring wavelength?

Accepted Answer

Metres

Answer

Seconds

Answer

Hertz

Answer

Volts

Question 23

Which type of wave has the shortest wavelength?

Accepted Answer

Ultraviolet waves

Answer

Radio waves

Answer

Microwaves

Answer

Infrared waves

Question 24

What is the fundamental difference between a mechanical wave and an electromagnetic wave?

Accepted Answer

Electromagnetic waves can travel in a vacuum, mechanical waves cannot.

Answer

Mechanical waves require a medium, electromagnetic waves do not.

Answer

Electromagnetic waves require a medium, mechanical waves do not.

Answer

Mechanical waves can travel in a vacuum, electromagnetic waves cannot.

Question 25

What is the unit of measurement for wavelength?

Accepted Answer

Metres

Answer

Centimetres

Answer

Seconds

Answer

Volts

Question 26

Which of the following is an example of a longitudinal wave?

Accepted Answer

Sound wave

Answer

Radio wave

Answer

Light wave

Answer

Water wave

Question 27

What is the term for the highest point of a wave?

Accepted Answer

Crest

Answer

Trough

Answer

Amplitude

Answer

Wavelength

Question 28

What is the unit of measurement for wavelength?

Accepted Answer

Meters

Answer

Hertz

Answer

Seconds

Answer

Decibels

Question 29

What is the difference between a transverse and a longitudinal wave?

Accepted Answer

Transverse waves vibrate perpendicular to their direction of travel, while longitudinal waves vibrate parallel to their direction of travel.

Answer

Transverse waves require a solid medium, while longitudinal waves require a fluid medium.

Answer

Transverse waves have a higher frequency than longitudinal waves.

Answer

Transverse waves are always electromagnetic, while longitudinal waves can be mechanical or electromagnetic.

Question 30

What is the relationship between the frequency and wavelength of a wave?

Accepted Answer

They are inversely proportional.

Answer

They are directly proportional.

Answer

They are not related.

Answer

The relationship depends on the type of wave.

Question 31

What is the function of a prism in a spectrometer?

Accepted Answer

To separate light into its component wavelengths.

Answer

To magnify the image of the light source.

Answer

To focus the light onto the detector.

Answer

To filter out unwanted wavelengths.

Question 32

Which of the following is NOT a property of waves?

Accepted Answer

Mass

Answer

Amplitude

Answer

Wavelength

Answer

Frequency

Question 33

What type of wave is a sound wave?

Accepted Answer

Longitudinal wave

Answer

Transverse wave

Answer

Surface wave

Answer

Electromagnetic wave

Question 34

Which factor does NOT affect the speed of a wave?

Accepted Answer

Amplitude

Answer

Type of medium

Answer

Wavelength

Answer

Temperature

Question 35

What is the relationship between wavelength and frequency?

Accepted Answer

Wavelength is inversely proportional to frequency

Answer

Wavelength is directly proportional to frequency

Answer

Wavelength is independent of frequency

Answer

Frequency is directly proportional to wavelength

Question 36

Which application of waves involves transmitting information across vast distances?

Accepted Answer

Radio waves

Answer

Ultrasound

Answer

microwaves

Answer

Infrared waves

Question 37

What is the unit of measurement for wavelength?

Accepted Answer

Metres

Answer

Hertz

Answer

Seconds

Answer

Volts

Question 38

Which type of wave can travel through a vacuum?

Accepted Answer

Electromagnetic wave

Answer

Transverse wave

Answer

Longitudinal wave

Answer

Surface wave

Question 39

What is the difference between a crest and a trough?

Accepted Answer

A crest is the highest point of a wave, while a trough is the lowest point

Answer

A crest is the lowest point of a wave, while a trough is the highest point

Answer

A crest and a trough are the same thing

Answer

A crest is a wave that travels through water, while a trough is a wave that travels through air

Question 40

What is the main purpose of a wave diagram?

Accepted Answer

To represent the properties of a wave

Answer

To predict the future of a wave

Answer

To manipulate the wave

Answer

To store energy

Question 41

Which property of a wave affects its speed?

Accepted Answer

Medium

Answer

Wavelength

Answer

Frequency

Answer

Amplitude

Question 42

A wave with a high frequency has a:

Accepted Answer

Short wavelength

Answer

Long wavelength

Answer

High amplitude

Answer

Low amplitude

Question 43

Which example is an application of transverse waves?

Accepted Answer

Light waves

Answer

Sound waves

Answer

Ocean waves

Answer

Seismic waves

Question 44

What is the unit of measurement for wavelength?

Accepted Answer

Metre

Answer

Second

Answer

Hertz

Answer

Ampere

Question 45

Which type of wave is able to move through a vacuum?

Accepted Answer

Electromagnetic wave

Answer

Transverse wave

Answer

Longitudinal wave

Answer

Surface wave

Question 46

What is a crest of a wave?

Accepted Answer

Highest point of a wave

Answer

Lowest point of a wave

Answer

Point of zero displacement

Answer

Point of maximum displacement

Question 47

What is the key difference between transverse and longitudinal waves?

Accepted Answer

Transverse waves move perpendicular to the direction of propagation, while longitudinal waves move parallel.

Answer

Transverse waves have a crest and a trough, while longitudinal waves do not.

Answer

Transverse waves can only travel through solids, while longitudinal waves can travel through any medium.

Answer

Transverse waves are caused by the vibration of particles, while longitudinal waves are caused by the compression and expansion of a medium.

Question 48

Which of the following is NOT a type of mechanical wave?

Accepted Answer

Gravitational wave

Answer

Transverse wave

Answer

Longitudinal wave

Answer

Surface wave

Question 49

Which property of a wave determines the amount of energy it carries?

Accepted Answer

Amplitude

Answer

Wavelength

Answer

Frequency

Answer

Speed

Question 50

What happens to the wavelength of a wave as its frequency increases?

Accepted Answer

Decreases

Answer

Increases

Answer

Stays the same

Answer

Becomes irregular

Question 51

Which of the following is an application of sound waves in medicine?

Accepted Answer

Ultrasound imaging

Answer

Radio communication

Answer

Producing electricity

Answer

Measuring distances

Question 52

What type of waves are used to transmit mobile phone signals?

Accepted Answer

Radio waves

Answer

Microwaves

Answer

Infrared waves

Answer

X-rays

Question 53

What is the SI unit of frequency?

Accepted Answer

Hertz

Answer

Metres

Answer

Seconds

Answer

Joules

Question 54

What is the main difference between a transverse wave and a longitudinal wave?

Accepted Answer

A transverse wave vibrates perpendicular to the direction of travel, while a longitudinal wave vibrates parallel to the direction of travel.

Answer

A transverse wave requires a medium to travel through, while a longitudinal wave does not.

Answer

A transverse wave has a shorter wavelength than a longitudinal wave.

Answer

A longitudinal wave has a higher frequency than a transverse wave.

Question 55

What is the distance between two consecutive crests or troughs of a wave called?

Accepted Answer

Wavelength

Answer

Amplitude

Answer

Frequency

Answer

Period

Question 56

Which type of wave has particles that vibrate perpendicular to the direction of wave propagation?

Accepted Answer

Transverse wave

Answer

Longitudinal wave

Answer

Electromagnetic wave

Answer

Standing wave

Question 57

What is the difference between a crest and a trough?

Accepted Answer

A crest is the highest point of a wave, while a trough is the lowest point.

Answer

A crest is the lowest point of a wave, while a trough is the highest point.

Answer

A crest is a point where the wave is moving up, while a trough is a point where the wave is moving down.

Answer

A crest is a point where the wave is moving down, while a trough is a point where the wave is moving up.

Question 58

Which of the following is an example of a longitudinal wave?

Accepted Answer

Sound waves

Answer

Water waves

Answer

Light waves

Answer

Radio waves

Question 59

What is the relationship between the frequency and wavelength of a wave?

Accepted Answer

The frequency and wavelength are inversely proportional.

Answer

The frequency and wavelength are directly proportional.

Answer

The frequency is equal to the wavelength.

Answer

The wavelength is equal to the frequency.

Question 60

Which of the following is an example of a transverse wave?

Accepted Answer

Light wave

Answer

Sound wave

Answer

Water wave

Answer

Seismic wave

Question 61

What is the unit of measurement for wavelength?

Accepted Answer

Metre

Answer

Hertz

Answer

Second

Answer

Joule

Question 62

What is the principle behind how bats use echolocation?

Accepted Answer

Reflection of sound waves

Answer

Refraction of light waves

Answer

Diffraction of water waves

Answer

Polarization of electromagnetic waves

Question 63

What type of waves are used in fibre optic cables to transmit data?

Accepted Answer

Transverse waves

Answer

Longitudinal waves

Answer

Standing waves

Answer

Circular waves

Question 64

What phenomenon causes light to bend around the edges of obstacles?

Accepted Answer

Diffraction

Answer

Reflection

Answer

Refraction

Answer

Polarization