Quiz about Science 5: The way we see

Question 1

Which of these are examples of natural light sources?

Accepted Answer

All of them

Answer

Sun

Answer

Stars

Answer

Lightning

Question 2

Which of these are examples of man-made light sources?

Accepted Answer

All of them

Answer

Lightbulb

Answer

Neon sign

Answer

Television

Question 3

A line that light travels in is called a _________

Accepted Answer

light ray

Answer

light source

Answer

light wave

Answer

light reflected

Question 4

You are enabled to see objects because _________________.

Accepted Answer

light reflects off of an object and into your eyes.

Answer

light travels out of your eyes and onto an object.

Answer

light travels out of an object.

Answer

light brightens up objects.

Question 5

What is light?

It is a form of energy that _______________.

Accepted Answer

enables us to see

Answer

makes us warm

Answer

helps object to move

Answer

protects Earth from heat

Question 6

Which of these is our main source of light?

Accepted Answer

The Sun

Answer

Lightbulbs

Answer

Fire

Answer

All of them

Question 7

This insect is a natural source of light. Can you tell what insect it is?

Accepted Answer

Fire fly

Answer

Mosquito

Answer

Dragon fly

Answer

Beetle

Question 8

Which of the living thing below doesn't produce own light?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 9

Light always travels in a ____________ line.

Accepted Answer

straight

Answer

curved

Answer

elliptical

Answer

none

Question 10

The intensity of the light can be measured using a _______________.

Accepted Answer

light meter

Answer

intensity

Answer

volt meter

Answer

stop watch

Question 11

Which place will have the highest light intesity during sunny clear daytime?

Accepted Answer

at the school yard

Answer

in the attic

Answer

in the storage room

Answer

in the classroom

Question 12

The unit of light intensity.

Accepted Answer

lux

Answer

Meter

Answer

lamp

Answer

volt

Question 13

1. Objects which can give light is called ...

Accepted Answer

Light sources

Answer

Sunlight

Answer

Magnetic things

Answer

Reflection

Question 14

4. We can see light sources because light travels from the light sources and ......

Accepted Answer

enters our eyes

Answer

goes away from eyes

Answer

turns around the sun

Answer

receives the light

Question 15

6. Our eyes has to receive light in order for us to ...

Accepted Answer

see

Answer

hear

Answer

listen

Answer

taste

Question 16

7. A profession or a worker who uses a light meter to take a good photo is ....

Accepted Answer

Photographer

Answer

Fisherman

Answer

Doctor

Answer

Farmer

Question 17

8. Here is one of natural light sources is ...

Accepted Answer

Fireflies

Answer

Torch

Answer

Lamp

Answer

Candle

Question 18

10. A mirror can ..... light

Accepted Answer

reflect

Answer

make

Answer

give

Answer

have

Question 19

11. We can see mirror and the other objects that do not give off light because ...

Accepted Answer

They reflect light into our eyes

Answer

They don't reflect light into our eyes

Answer

They have light sources

Answer

They have measurement

Question 20

12. We can see the moon shines because it reflects light from ...

Accepted Answer

The Sun

Answer

The Earth

Answer

The Star

Answer

Animals

Question 21

13. We can see our reflection through these objects, EXCEPT...

Accepted Answer

Blanket

Answer

Spoon

Answer

Glass

Answer

Mirror

Question 22

14. Which statement is true?

Accepted Answer

The objects that have smooth surface can reflect light well.

Answer

We can see our reflection through a paper.

Answer

The objects that have smooth surface will not reflect the light well.

Answer

The objects that have rough surface can reflect light well.

Question 23

15. The object can reflect light well is ...

Accepted Answer

spoon

Answer

paper

Answer

toy block

Answer

towel

Question 24

16. Here is the object that can not reflect light well ...

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 25

19. Why we can not see our reflections in a piece of paper?

Accepted Answer

Because the light falls in many different direction.

Answer

Because it has smooth surface.

Answer

Because it has light.

Answer

Because it is magnetic object.

Question 26

Scientists use mirrors to study reflection. When a light ray hits a mirror, it reflects off at the same angle as it hits the mirror.

Accepted Answer

True

Answer

False

Question 27

What is shown in the picture.

Accepted Answer

Reflection of light.

Answer

Source of light.

Answer

Refraction of light.

Question 28

How do we see things?

Accepted Answer

When light is reflected.

Answer

When we open our eyes.

Answer

When we close our eyes.

Question 29

When the light hits a transparent object:

Accepted Answer

All light passes through it.

Answer

No light passes through it.

Answer

Some light passes through it.

Question 30

When light hits an opaque object.

Accepted Answer

The shadow is made.

Answer

It passes through it.

Answer

We get energy

Question 31

Shadow becomes bigger when:

Accepted Answer

We bring the light source near to the object.

Answer

We fix the light source far from the object.

Answer

When we switch off the light.

Question 32

Which object is shown in the picture?

Accepted Answer

Transparent

Answer

Translucent

Answer

Opaque

Question 33

Which object is shown in the picture.

Accepted Answer

Opaque

Answer

Translucent

Answer

Transparent

Question 34

what are luminous objects?

Accepted Answer

objects that make their own light

Answer

objects that reflect light

Answer

objects that let light pass through

Answer

objects that block light

Question 35

what is reflection?

Accepted Answer

when the light bounces off a surface

Answer

when light is absorbed by a object

Answer

when light is given out of an object

Answer

when the light is stoped

Question 36

what happens to light when the light hits a mirror?

Accepted Answer

changes the direction of the light

Answer

nothing happens

Answer

becomes a light source

Answer

break the mirror

Question 37

how can you see the objects behind you with a mirror?

Accepted Answer

the light from a source travels and reflects off the object behind you and hits the mirror and then the the mirror reflects the light into your eye

Answer

we look into the mirror

Answer

the light make you see everything

Answer

the light travels directly to the mirror and hits the object behind you and then you can see.

Question 38

do all objects reflect light?

Accepted Answer

no

Answer

yes

Question 39

if a surface reflects light well then...

Accepted Answer

you can see yourself

Answer

it absorbs light

Answer

has a rough surface

Question 40

What is the correct order of what happens when our eyes see the flower in the picture:

1. the light bounces off,

2. the light enters the boy's eyes,

3. the sunlight hits the flower.

Accepted Answer

3-1-2

Answer

1-2-3

Answer

2-1-3

Answer

None of these

Question 41

Why do mirrors reflect light well?

Accepted Answer

They have a shiny surface.

Answer

Because you can see your face in one.

Answer

They are a light source.

Answer

They are used in periscopes.

Question 42

Which color reflects the least light?

Accepted Answer

Black

Answer

White

Answer

Blue

Answer

Red

Question 43

smooth, shiny surfaces

Accepted Answer

reflect

Answer

refract

Answer

absorb

Question 44

What kind of path does light take?

Accepted Answer

It travels in a straight line until it hits something or goes through it.

Answer

It bounces off all objects.

Answer

It curves around all objects.

Answer

It goes through all objects.

Question 45

How is refraction different from reflection.

Accepted Answer

Reflection is the bouncing of light off an object and refraction is the bending of light when it moves through one kind of matter to another.

Answer

Reflections is the bending of light when it moves through one kind of matter to another and refraction is the bouncing of light off an object.

Question 46

The law of reflection involves two light rays. What are they?

Accepted Answer

incident and reflected

Answer

light and dark

Question 47

Why does the straw appear to be bent?

Accepted Answer

light is refracted

Answer

light is reflected

Answer

light is absorbed

Answer

light is turned

Question 48

When light passes from air to water, what happens to the speed of the light?

Accepted Answer

slows down

Answer

speeds up

Answer

stays the same

Question 49

What is the best explanation for Mickey seeing himself in the mirror?

Accepted Answer

reflection

Answer

refraction

Answer

absorbed

Answer

flipped

Question 50

What is the angle of mirror in periscope

Accepted Answer

45

Answer

35

Answer

55

Answer

65

Question 51

How does periscope works?

Accepted Answer

A periscope works by using two mirrors to reflect light from one mirror to another for the person to see the things that is behind a high obstacle.

Answer

It works by using one mirror to reflect for us to see things behind a high obstacle.

Answer

It works by using one glass to reflect for us to see things behind a high obstacle.

Question 52

How many mirrors there are in the periscope?

Accepted Answer

2

Answer

5

Answer

4

Answer

3

Question 53

What is the type of mirror use in periscope?

Accepted Answer

Plane mirror

Answer

Convex mirror

Answer

Concave mirror

Question 54

this type of mirror is used in supermarkets to see around bends

Accepted Answer

convex

Answer

concave

Answer

plane

Answer

window

Question 55

The following is a picture of what type of mirror?

Accepted Answer

Convex Mirror

Answer

Concave Mirror

Answer

Plane Mirror

Answer

Flat Mirror

Question 56

The following is a picture of what type of mirror?

Accepted Answer

Concave Mirror

Answer

Convex Mirror

Answer

Plane Mirror

Answer

Flat Mirror

Question 57

The fact the two angles are the same is an example of....

Accepted Answer

Law of reflection

Answer

Refraction

Answer

Angle of Incidence

Answer

Magnification

Question 58

Mirrors can help us to see things________ us

Accepted Answer

behind

Answer

in front of

Answer

beside

Answer

above

Question 59

The driver uses ___________ to see the behind cars

Accepted Answer

rear view mirror

Answer

security mirror

Answer

dentist mirror

Answer

plane mirror

Question 60

The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-

Accepted Answer

reflected

Answer

absorbed

Answer

stopped

Answer

refracted

Question 61

The color you see is the color that is ___.

Accepted Answer

reflected

Answer

absorbed

Question 62

A leaf is green, what does this tell you about the light that is being absorbed?

Accepted Answer

green is being reflected and all the other colors are being absorbed

Answer

no light is being absorbed

Answer

green is being refracted and all the colors are being absorbed.

Answer

green is being absorbed and all the other colors are reflected

Question 63

Which color absorbs all light?

Accepted Answer

Black

Answer

White

Answer

Orange

Answer

Green

Question 64

How does light behave when hitting this shirt?

Accepted Answer

Yellow is reflected; all other colors are absorbed.

Answer

Yellow is absorbed; all other colors are reflected.

Answer

All colors are absorbed, but yellow is refracted.

Answer

Yellow is scattered and all other colors are absorbed.

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