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G4 Q2 all sheets

Total questions: 122

Worksheet time: 1hrs 19mins

Name
Class
Date
1.

We need light to _____.

a)

smell

b)

hear

c)

see

d)

taste

2.

Which of the following is a light source?

a)

Mirror

b)

Book

c)

Candle

d)

Table

3.

Reflection means that light _____.

a)

passes through objects

b)

bounces back

c)

disappears

d)

stops moving

4.

Which object reflects the most light?

a)

table

b)

Mirror

c)

Wood

d)

Cloth

5.

Which surface reflects light better?

a)

Rough surface

b)

Bumpy surface

c)

Smooth surface

d)

Soft surface

6.

Water can act like a mirror when it is _____.

a)

Dirty

b)

Moving fast

c)

Deep

d)

Still

7.

Which clothing color is safest at night?

a)

Black

b)

Dark blue

c)

Brown

d)

White

8.

A disco ball reflects light because it has _____.

a)

water

b)

tiny mirrors

c)

paint

d)

glass only

9.

Which material is very reflective?

a)

Plastic

b)

Aluminum foil

c)

Rubber

d)

Paper

10.

Why do some smooth-looking objects not reflect well? they are ....

a)

soft

b)

wet

c)

bumpy when magnified

d)

dark

11.

What happens to light on bumpy surfaces?

a)

It reflects clearly

b)

It scatters

c)

It stops

d)

It becomes stronger

12.

Light travels from place to place as a _____.

a)

solid

b)

liquid

c)

wave

d)

shadow

13.

Light cannot pass through all materials.

a)

True

b)

False

14.

. Everything we see is either a light source or reflects light.

a)

True

b)

False

15.

Rough surfaces reflect light better than smooth surfaces.

a)

True

b)

False

16.

A mirror absorbs most of the light that hits it.

a)

True

b)

False

17.

Still water can reflect light like a mirror.

a)

true

b)

false

18.

Bumpy surfaces scatter light in different directions.

a)

true

b)

false

19.

Aluminum foil is a good reflector of light.

a)

true

b)

false

20.

Our eyes are adapted to collect light.

a)

true

b)

false

21.

A blue book reflects ____ light.

a)

red

b)

green

c)

blue

d)

black

22.

What happens to the other colors when an object looks green? they are .....

a)

reflected

b)

absorbed

c)

disappear

d)

get brighter

23.

Which object absorbs the most light?

a)

White paper

b)

Yellow shirt

c)

Black jacket

d)

Silver mirror

24.

A yellow banana reflects ____ light.

a)

blue

b)

red

c)

yellow

d)

black

25.

Why do dark-colored objects get hotter in the sun?

a)

They reflect light

b)

They absorb more light

c)

They are bigger

d)

They are smooth

26.

A green leaf absorbs ____ light.

a)

green

b)

white

c)

all

d)

red and blue

27.

A red car absorbs all colors except _____.

a)

blue

b)

yellow

c)

red

d)

green

28.

A blue shirt looks blue because blue light is _____.

a)

absorbed

b)

reflected

c)

blocked

d)

scattered

29.

White objects absorb all colors of light.

a)

true

b)

false

30.

A blue object absorbs blue light.

a)

true

b)

false

31.

Dark clothes are safer to wear at night.

a)

true

b)

false

32.

The color we see depends on the light reflected by the object

a)

true

b)

false

33.

What happens to light when it moves from air to water?

a)

It stops

b)

It disappears

c)

It bends

d)

It gets darker

34.

The bending of light when it changes medium is called _____.

a)

reflection

b)

absorption

c)

refraction

d)

magnification

35.

Light moves faster in ____ than in water.

a)

glass

b)

plastic

c)

air

d)

metal

36.

When light hits water, its speed and _____ change.

a)

color

b)

shape

c)

size

d)

direction

37.

Which part of the eye focuses light?

a)

retina

b)

lens

c)

pupil

d)

optic nerve

38.

The image formed inside the eye is _____.

a)

upright

b)

blurry

c)

inverted

d)

colored

39.

The optic nerve sends signals from the eye to the _____.

a)

heart

b)

stomach

c)

brain

d)

lungs

40.

A lens is usually made of _____.

a)

wood

b)

metal

c)

plastic or glass

d)

rubber

41.

A magnifying glass is also called a _____.

a)

telescope

b)

hand lens

c)

camera

d)

mirror

42.

Binoculars help us see objects that are _____.

a)

very small

b)

very close

c)

very far

d)

very dark

43.

Light moves faster than any other wave or object.

a)

True

b)

False

44.

Light bends when it changes from one medium to another.

a)

true

b)

false

45.

The eye lens helps focus light so we can see clearly.

a)

true

b)

false

46.

The brain understands the signals sent by the eyes.

a)

true

b)

false

47.

All lenses are flat.

a)

true

b)

false

48.

A camera uses lenses to form images.

a)

true

b)

false

49.

Light moves at the same speed in air and water.

a)

true

b)

false

50.

The image inside the eye is upside down (inverted).

a)

true

b)

false

51.

Refraction changes the speed and direction of light.

a)

true

b)

false

52.

A convex lens is ____ in the middle.

a)

thin

b)

flat

c)

thick

d)

broken

53.

A concave lens is ____ in the middle.

a)

thick

b)

curved out

c)

thin

d)

shiny

54.

Which lens spreads light rays apart?

a)

Convex lens

b)

Concave lens

c)

Magnifying glass

d)

Camera lens

55.

A convex lens focuses light to a point.

a)

True

b)

False

56.

Concave lenses are thicker in the middle than at the edges.

a)

True

b)

False

57.
Which explains why the fork looks different under water?
a)
light can't pass through the glass
b)
the amount of light increases when going through water
c)
light is refracted at an angle
58.
Another name for light bending is ....
a)
Reflaction
b)
Absorbing
c)
Refraction
d)
mirror
59.

When a ray of light moves from the air to water it bends due to a change in.......( choose 2 )

a)

Color

b)
Direction
c)
Speed
d)

Distance

e)

Time

60.
Refraction is
a)
light bending 
b)
light bouncing
61.

Lenses always________light.

a)

reflect

b)

refract

c)

transmit

d)

absorb

62.

Why do the words look bigger on this page?

a)

the light goes straight through the magnifying glass

b)

the light is reflected off the magnifying glass

c)

the light is absorbed in the magnifying glass

d)

the light goes through the magnifying glass and bends outward

63.

What is a difference between reflection and refraction?

a)

In reflection the light goes through and in refraction the light does not go through

b)

In reflection the light does not go through, in refraction it does go through

c)

reflection means to bend and refraction means to bounce off of

d)

refraction means to stop and reflection means to go

64.

1) Refraction happens when light______

a)

bends as it enters a new medium

b)

bounces back when it hits a surface

c)

by a substance

65.

When does the light is refracted?

a)

When light travels in a straight line

b)

When light is bounced

c)

When light travels in two different mediums

d)

When light cannot pass through an opaque object

66.

Which of these is not a type of lens?

a)

concave

b)

convex

c)

plane

67.

Which one of these describes a lens that causes light to come to together at a single point?

a)

concave

b)

opaque

c)

convex

d)

translucent

68.
Swimming pools and the ocean look shallower than they really are due to:
a)
reflection 
b)
dispersion
c)
refraction
d)
total internal reflection
69.
What is this image showing?
a)
Reflection
b)
Refraction
c)
The law of reflection
d)
Concave Mirror
70.

_____ lenses refract light rays in toward a central point. When this lens is held close to your eye, the image is magnified and right side up.

a)

Concave

b)

Convex

c)

Prismatic

d)

Refractive

71.

A concave lens has an inward curved shape. It refracts light outward from the lens. They light rays spread apart as they exit the lens. Which represents a concave lens?

a)

A

b)

B

c)

A and B

d)

neither A or B

72.
What type of lens do humans have in their eyes? 
a)
Concave Lens 
b)
Convex Lens 
73.

Which of the following are uses for convex lenses? (Choose 4 )

a)

Camera lens

b)

Telescope lens

c)

Microscope lens

d)

Magnify glass

e)

Window

74.

What type of lens is wider in the middle than on the edges?

a)

Concave

b)

Convex

c)

Objective

d)

Ocular

75.

What type of lens is thinner in the middle than at the edges?

a)

Convex

b)

Concave

c)

Objective

d)

Magnifying

76.

What are the two main types of lenses?

a)

Convex and concave

b)

Thick and thin

c)

Clear and colored

77.

How does a convex lens bend light?

a)

It spreads the light rays apart.

b)

It focuses the light rays to a point.

c)

It doesn't affect the light rays.

d)

It makes the light rays disappear.

78.

How does a concave lens bend light?

a)

It focuses the light rays to a point.

b)

It spreads the light rays apart.

c)

It doesn't affect the light rays.

d)

It makes the light rays disappear.

79.

What is a magnifying glass, and how does it work?

a)

A type of mirror that reflects light.

b)

A type of lens that makes objects appear smaller.

c)

A type of lens that makes objects appear larger.

d)

A type of tool used to measure distance.

80.

Which of the following is NOT an example of how lenses are used in everyday life?

a)

Eyeglasses

b)

Cameras

c)

Telescopes

d)

Forks

81.

What do a prism, a magnifying glass, a microscope, and eyeglasses ALL have in common.

a)

They are opaque

b)

They refract light

c)

They reflect light

d)

That are translucent

82.

Name the curved piece of glass or other transparent material that is used to refract light.

a)

mirror

b)

lens

c)

reflector

d)

optical fiber

83.
What part of your eye sends the messages to and from your brain?
a)
retina
b)
optic nerve
c)
iris
d)
vitreous humor
84.

Why don't we see everything upside down?

a)

because everything is already upside down and it just looks right side up

b)

because we are standing up right, not upside down

c)

Our brain automatically flips the upside down images reflected into our eyes

85.

When light hits an object, what happens that allows us to see it?

a)

The light disappears

b)

The object absorbs all light

c)

The object reflects some light

d)

The object blocks all light

86.

What is the main job of the lens in the eye?

a)

Make light brighter

b)

Change the color of light

c)

Focus light onto the back of the eye

d)

Stop light from entering

87.

The whole process of seeing depends mostly on ____

a)

Sound

b)

Smell

c)

Light

d)

Taste

88.

how long does sunlight take to travel from the Sun to the Earth?

a)

8 seconds

b)

8 minutes

c)

8 hours

d)

8 days

89.

Identify the next material

a)

Translucent

b)

Opaque

c)

Transparent

90.

Identify the next material

a)

Transparent

b)

Opaque

c)

Translucent

91.

IdentIfy next material

a)

Transparent

b)

Opaque

c)

Translucent

92.

What is a reflection?

a)

A mirror without light

b)

the sunlight touching an object

c)

Is the bouncing of waves when they hit an obstacle

93.

Which object will best reflect light?

a)

a black t-shirt

b)

a stapler

c)

a mirror

d)

window

94.

You shine a flashlight into a glass of apple juice. Some of the light bounces off the liquid. Some of it passes through it. Which of these describe the juice and the behavior of light? ( choose 2 )

a)

reflection

b)

refraction

c)

opaque

d)

transparent

e)

translucent

95.

Label the objet as opaque, transparent or translucent.

a)

opaque

b)

translucent

c)

transparent

96.

Label the objet as opaque, transparent or translucent.

a)

opaque

b)

translucent

c)

transparent

97.

Label the objet as opaque, transparent or translucent.

a)

opaque

b)

translucent

c)

transparent

98.

Which best explains how objects can be seen?

a)

Light refracts off of objects.

b)

Objects are made of matter.

c)

Light has color in it.

d)

Objects reflect light.

99.

What is light?

a)

Colors

b)

A form of energy.

c)

An oven.

d)

A pull between objects.

100.

If an apple looks red, it is because the color red is being ______.

a)

Colored

b)

Absorbed

c)

Broken

d)

Reflected

101.

Leaves often appear green because the leaves

a)

resist green light

b)

bend all colors except green

c)

reflect green light and absorb the rest

d)

reflect all the colors except green

102.

A glass window is made up of __________ material.

a)

transparent

b)

translucent

c)

transitional

d)

opaque

103.

What would be the best choice of curtain material if you'd like some light to pass through, but would also like some privacy?

a)

Transparent

b)

Translucent

c)

Transitional

d)

Opaque

104.

Materials like wood or metal do not allow any light to pass through and are ___________.

a)

Transparent

b)

Translucent

c)

Transitional

d)

Opaque

105.

Which material would lenses for eye glasses be made out of?

a)

Transparent

b)

Translucent

c)

Opaque

106.

Students are collecting materials that will be put into a group labeled “opaque.” Which material would belong in this group?

a)

glass

b)

Mirror

c)

water

d)

Sun glasses

107.

Students used flashlights on different materials and recorded their results. Which word does this image represent?

a)

reflection

b)

absorption

c)

refraction

d)

transmitting

108.

What does light do when it hits a shiny object such as a mirror?

a)

reflects

b)

straightens

c)

refracts

d)

darkens

109.

Which object below is translucent?

a)

air

b)

apple

c)

wax paper

d)

Disk

110.

Which object below is opaque?

a)

air

b)

apple

c)

wax paper

111.

Which object below is transparent?

a)

air

b)

apple

c)

wax paper

112.

What color is an object that absorbs all the colors in the light spectrum?

a)

A rainbow

b)

White

c)

Black

d)

Invisible

113.

What color is an object that reflect all the colors in the light spectrum?

a)

A rainbow

b)

White

c)

Black

d)

Invisible

114.

When light bounces off light, this is called...

a)

refraction

b)

absorption

c)

reflection

d)

a prism

115.
Light travels in ___________ lines
a)
wavy
b)
bent
c)
straight
d)
backwards
116.

We can see images in _________ surfaces

a)

smooth

b)

rough

c)

flat

d)

bumpy

117.

Materials that do not allow light to pass through?

a)

clear

b)

opaque

c)

transparent

d)

translucent

118.
Does the rose reflect or absorb red?
a)
Reflect
b)
Absorb
119.
Absorb or Reflect all colors?
a)
Absorb
b)
Reflect
120.

  1. Light hitting an object always reflects back.

a)

TRUE

b)

FALSE

121.

  1. Translucent objects allow light to pass through completely.


a)

TRUE

b)

FALSE

122.

  1. Light energy can pass through all objects equally.



a)

TRUE

b)

FALSE

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