Light: Interactive Quizzes and Learning Resources

Question 1

How are shadows formed?

Accepted Answer

When light is blocked

Answer

When light is reflected

Answer

When light is absorbed

Answer

When light is refracted

Question 2

Where is the focal point of a concave mirror located?

Accepted Answer

In front of the mirror

Answer

Behind the mirror

Answer

On the surface of the mirror

Answer

At infinity

Question 3

What is the purpose of a prism?

Accepted Answer

To separate white light into different colours

Answer

To magnify objects

Answer

To reflect light

Answer

To change the direction of light

Question 4

Which of these is NOT a source of light?

Accepted Answer

A mirror

Answer

The sun

Answer

A light bulb

Answer

A campfire

Question 5

What occurs when light hits a shiny surface?

Accepted Answer

It bounces off the surface.

Answer

It passes through the surface.

Answer

It gets absorbed by the surface.

Answer

It bends through the surface.

Question 6

Which of these materials would NOT be a good reflector?

Accepted Answer

Cardboard

Answer

Metal

Answer

Glass

Answer

Water

Question 7

What is created when light moves from one material to another?

Accepted Answer

A refraction

Answer

A reflection

Answer

A shadow

Answer

An image

Question 8

Which of these materials would make the best lens?

Accepted Answer

Glass

Answer

Plastic

Answer

Metal

Answer

Wood

Question 9

What is the term for the point where light rays meet after passing through a lens?

Accepted Answer

Focus

Answer

Aperture

Answer

Node

Answer

Axis

Question 10

Which of these is the best example of something that produces its own light?

Accepted Answer

The sun

Answer

A piece of paper

Answer

The moon

Answer

A shadow

Question 11

Which of these materials lets light pass through it without blurring it?

Accepted Answer

Glass

Answer

Metal

Answer

Wood

Answer

Paper

Question 12

What is the specific term for when light bends as it passes between two transparent materials?

Accepted Answer

Refraction

Answer

Reflection

Answer

Diffusion

Answer

Absorption

Question 13

What is the name of the angle at which light hits a surface called?

Accepted Answer

Angle of incidence

Answer

Angle of reflection

Answer

Angle of refraction

Answer

Critical angle

Question 14

What is the primary natural source of light on our planet?

Accepted Answer

Sun

Answer

Moon

Answer

Stars

Answer

Fireflies

Question 15

Which substance allows light to pass through it clearly?

Accepted Answer

Glass

Answer

Wood

Answer

Metal

Answer

Paper

Question 16

When an object blocks light from a source, what is created?

Accepted Answer

A shadow

Answer

A reflection

Answer

A mirage

Answer

A hologram

Question 17

Which of these is not a property of light?

Accepted Answer

It has weight.

Answer

It travels in straight lines.

Answer

It can be reflected.

Answer

It is a type of energy.

Question 18

What happens when sunlight passes through a triangular piece of glass called a prism?

Accepted Answer

It bends and separates into a rainbow of colours.

Answer

It reflects and changes direction.

Answer

It is absorbed and disappears.

Answer

Nothing happens.

Question 19

When you mix all the primary colours of light, such as red, green, and blue, what colour do you get?

Accepted Answer

White

Answer

Red

Answer

Green

Answer

Blue

Question 20

Which of these materials is opaque?

Accepted Answer

Wood

Answer

Glass

Answer

Water

Answer

Air

Question 21

What is the name for the dark area behind an object that blocks light?

Accepted Answer

A shadow

Answer

An image

Answer

A reflection

Answer

A refraction

Question 22

Which of these objects can make a real image?

Accepted Answer

A concave mirror

Answer

A flat mirror

Answer

A convex mirror

Answer

A glass prism

Question 23

What makes light change direction when it enters a different material?

Accepted Answer

Refraction

Answer

Absorption

Answer

Reflection

Answer

Dispersion

Question 24

Which color of light has the longest wavelength?

Accepted Answer

Red

Answer

Yellow

Answer

Green

Answer

Blue

Question 25

What is the process called when white light is split into its different colors?

Accepted Answer

Dispersion

Answer

Reflection

Answer

Refraction

Answer

Absorption

Question 26

Which of these is NOT a type of electromagnetic wave?

Accepted Answer

Sound waves

Answer

Radio waves

Answer

Microwaves

Answer

X-rays

Question 27

Which of these is a natural source of light? Is it:

Accepted Answer

The sun

Answer

A candle

Answer

A torch

Answer

A laser

Question 28

When light hits a shiny surface, which of these things happen? Is it:

Accepted Answer

Reflected

Answer

Absorbed

Answer

Refracted

Answer

Scattered

Question 29

What is the name given to the dark area behind an object which light can't reach? Is it called:

Accepted Answer

A shadow

Answer

A highlight

Answer

A penumbra

Answer

An image

Question 30

Which material on this list lets light pass through it? Is it:

Accepted Answer

Glass

Answer

Wood

Answer

Metal

Answer

Paper

Question 31

Which of these is NOT a natural source of light?

Accepted Answer

A torch

Answer

The sun

Answer

A candle flame

Answer

The moon

Question 32

What happens when light hits a shiny surface?

Accepted Answer

It is reflected.

Answer

It is absorbed.

Answer

It is refracted.

Answer

It is scattered.

Question 33

Why does a shadow form?

Accepted Answer

When light is blocked by an object.

Answer

When light passes through an object.

Answer

When light is reflected by an object.

Answer

When light is refracted by an object.

Question 34

Which of these materials is transparent?

Accepted Answer

Glass

Answer

Wood

Answer

Metal

Answer

Cardboard

Question 35

What is the term for the bending of light as it passes from one material to another?

Accepted Answer

Refraction

Answer

Reflection

Answer

Dispersion

Answer

Absorption

Question 36

Which of these colours of light has the longest wavelength?

Accepted Answer

Red

Answer

Green

Answer

Blue

Answer

Violet

Question 37

Which of these applications of light uses the property of reflection?

Accepted Answer

Mirrors

Answer

Fibre optics

Answer

Lasers

Answer

Holograms

Question 38

How fast does light travel?

Accepted Answer

300,000 kilometres per second

Answer

30,000 kilometres per second

Answer

3,000 kilometres per second

Answer

300 kilometres per second

Question 39

Which of these is a real image?

Accepted Answer

The image formed by a concave mirror

Answer

The image in a mirror

Answer

The image on a cinema screen

Answer

The image formed by a convex lens

Question 40

What does light do when it hits a mirror?

Accepted Answer

It bounces back.

Answer

It gets absorbed.

Answer

It bends.

Answer

It spreads out.

Question 41

What makes a shadow?

Accepted Answer

When light is blocked by something.

Answer

When light bounces off of something.

Answer

When light is taken in by something.

Answer

When light bends around something.

Question 42

What is the difference between a clear material and a slightly cloudy material?

Accepted Answer

Clear materials let light pass through them without scattering it, while slightly cloudy materials scatter light.

Answer

Slightly cloudy materials let light pass through them without scattering it, while clear materials scatter light.

Answer

Clear materials absorb light, while slightly cloudy materials reflect light.

Answer

Slightly cloudy materials absorb light, while clear materials reflect light.

Question 43

Which of these colors is not a primary color of light?

Accepted Answer

Yellow

Answer

Red

Answer

Green

Answer

Blue

Question 44

What is the biggest source of natural light on Earth?

Accepted Answer

The Sun

Answer

The stars

Answer

The Moon

Answer

A thunderstorm

Question 45

What happens when light bounces off a shiny surface?

Accepted Answer

It is reflected.

Answer

It is absorbed.

Answer

It is refracted.

Answer

It is transmitted.

Question 46

Which of these materials allows light to pass through it easily?

Accepted Answer

Glass

Answer

Wood

Answer

Metal

Answer

Paper

Question 47

What is formed when light cannot pass through an object?

Accepted Answer

A shadow

Answer

A reflection

Answer

A refraction

Answer

An image

Question 48

Which of the following is an example of an image that you can see on a screen?

Accepted Answer

The image of a tree on a cinema screen

Answer

The image of a tree in a mirror

Answer

The image of a tree in a camera

Answer

The image of a tree in a puddle

Question 49

What happens to the image of an object when it is placed closer to a lens that bends light inward?

Accepted Answer

It becomes larger and closer to the lens.

Answer

It becomes smaller and closer to the lens.

Answer

It becomes larger and farther from the lens.

Answer

It becomes smaller and farther from the lens.

Question 50

What can be used to split white light into the colours of the rainbow?

Accepted Answer

A prism

Answer

A lens

Answer

A mirror

Answer

A filter

Question 51

How fast does light travel?

Accepted Answer

300,000 kilometres per second

Answer

300,000 miles per second

Answer

300 kilometres per second

Answer

300 miles per second

Question 52

Which of the following is NOT a natural source of light?

Accepted Answer

Light bulb

Answer

Sun

Answer

Fire

Answer

Stars

Question 53

When light strikes a smooth surface at an angle, what happens to it?

Accepted Answer

It is reflected.

Answer

It is absorbed.

Answer

It is refracted.

Answer

It is scattered.

Question 54

What happens when light passes from air into water?

Accepted Answer

It slows down.

Answer

It speeds up.

Answer

It stays the same.

Answer

It changes color.

Question 55

Which of the following objects will produce the sharpest shadow?

Accepted Answer

A laser pointer

Answer

A candle flame

Answer

A fluorescent light bulb

Answer

A window on a cloudy day

Question 56

Why do we see an image of ourselves in a mirror?

Accepted Answer

Because the mirror reflects all the light that hits it.

Answer

Because the mirror bends the light that hits it.

Answer

Because the mirror absorbs some of the light that hits it.

Answer

Because the mirror creates a new image of us with its own light.

Question 57

Which of the following animals can see ultraviolet light?

Accepted Answer

Bees

Answer

Dogs

Answer

Cats

Answer

Elephants

Question 58

When the sun shines, what is it doing?

Accepted Answer

Creating light

Answer

Reflecting light

Answer

Absorbing light

Answer

Refracting light

Question 59

In which material does light travel the fastest?

Accepted Answer

A vacuum (empty space)

Answer

Air

Answer

Water

Answer

Glass

Question 60

What makes a rainbow appear in the sky?

Accepted Answer

Refraction and dispersion of light

Answer

Reflection of light

Answer

Absorption of light

Answer

Emission of light

Question 61

Which of these is NOT a property of light?

Accepted Answer

It has a smell.

Answer

It travels in straight lines.

Answer

It can be reflected.

Answer

It can be absorbed.

Question 62

What is the name of the darkest part of a shadow?

Accepted Answer

Umbra

Answer

Penumbra

Answer

Antumbra

Answer

Eclipse

Question 63

Which of these materials allows light to pass through it clearly?

Accepted Answer

Glass

Answer

Wood

Answer

Metal

Answer

Brick

Question 64

What do lenses do when they are used with light?

Accepted Answer

Create an image

Answer

Change the color of light

Answer

Make light travel faster

Answer

Absorb light