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Light

Total questions: 80

Worksheet time: 49mins

Name
Class
Date
1.

When light travels through two different materials, it bends and changes direction because the speed of light changes. This is called __________

a)

Reflection

b)

Refraction

2.

When light hits an opaque object, it changes direction and bounces off. This is called _________

a)

Refraction

b)

Reflection

3.

Light appears white or transparent, but it is actually made up of several different colours.

a)

True

b)

False

4.

The _________ is the hole in the centre of the iris. Light enters the eye through this hole.

a)

pupil

b)

optic nerve

c)

lens

d)

retina

5.

If the light has a longer wavelength, it has a lower energy.

a)

TRUE

b)

FALSE

6.

Red from the color spectrum has the longest wavelength.

a)

TRUE

b)

FALSE

7.

The color violet has the highest energy and frequency.

a)

TRUE

b)

FALSE

8.

As the wavelength of light becomes longer, does the energy increase?

a)

TRUE

b)

FALSE

9.

As the frequency of light increases, the wavelength becomes shorter.

a)

TRUE

b)

FALSE

10.

As a wave, light is part of the electromagnetic spectrum as the visible spectrum or white light.

a)

TRUE

b)

FALSE

11.

Meaning of Translucent

a)

Absorbs all light and makes a shadow

b)

Allows light to pass and scatters it

c)

Light can pass straight through

12.

What is this?

a)

Opaque

b)

Translucent

c)

Transparent

13.

How does light travel?

a)

It curves around corners

b)

Really slow

c)

In a straight line

d)

In circles

14.
Which color reflects the least light?
a)
Black
b)
White 
c)
Blue
d)
Red
15.

Objects that absorb all colors of light will appear _______.

a)

white

b)

black

c)

multi-colored

d)

gray

16.

___________ is a form of energy that we can see with our eyes.

a)

shadow

b)

light

c)

energy

d)

reflection 

17.
Light travels in a straight line
a)
True
b)
False
18.

_____ materials allow some light to partially pass through, but not in a straight path.

a)

Opaque

b)

Transparent

c)

Translucent

19.

Which materials allow light waves to pass through easily?

a)

Opaque

b)

Transparent

c)

Translucent

20.

A mirror is ____________.

a)

transparent

b)

translucent

c)

opaque

21.

The image shows an object that is __________.

a)

transparent

b)

translucent

c)

opaque

22.
Which objects on the table are "Opaque"?
a)
Pitcher; Supply Box; Pencil
b)
Book; Pencil; Rock
c)
Pencil; Book; Goggles
23.

The image shows an object that is __________.

a)

transparent

b)

translucent

c)

opaque

24.

The image shows an object that is __________.

a)

transparent

b)

translucent

c)

opaque

25.

A student placed a pencil in a cup of water. The pencil appears broken because light-

a)

always travels in a straight line

b)

bends when it passes through water

c)

makes the water in the glass evaporate

d)

reflects the pencil on the water's surface

26.
The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-
a)
absorbed
b)
stopped
c)
reflected
d)
refracted
27.
What does refract mean?
a)
To shrink
b)
To bend
c)
To widen
d)
To enlarge
28.
a)
Reflection
b)
Refraction
29.

What does a convex lens do?

a)

Make things bigger

b)

Make things smaller

c)

Make things closer

d)

Make things sadder

30.

What does a concave lens do?

a)

Make things bigger

b)

Make things smaller

c)

Make things closer

d)

Make things happy

31.
_____ is a lens that is thicker in the middle and makes an object appear bigger.
a)
prism
b)
convex lens
c)
concave lens
d)
mirror
32.

______ is a lens that is thicker at its edges and makes an object appear smaller?

a)

mirror

b)

convex lens

c)

concave lens

d)

prism

33.
Why do we see objects as white?
a)
They absorb all light
b)
They reflect all light
c)
They absorb some light and reflect some light
34.
Band of color in a rainbow, or from a light passing through a prism.
a)
Spectrum
b)
Space
c)
Prism
d)
Refraction
35.
White light is made up of _________________ colors.
a)
10
b)
3
c)
7
d)
70
36.
Which color absorbs all light?
a)
White
b)
Black
c)
Orange
d)
Green
37.

Light is a form of

a)

Bulb

b)

Energy

c)

Weight

38.

What is a light source?

a)

Anything that produces light

b)

The Sun

c)

Something you can turn on

39.

What are the two types of categories we can put light sources into?

a)

Fake

b)

Real

c)

Natural

d)

Artificial

40.

Which of these is an example of a Natural light source?

a)

The Sun

b)

Torch

c)

Matches

d)

Phone

41.

Which of these is an artificial light source?

a)

The Sun

b)

Fireflies

c)

Matches

d)

Lightning

42.

Can we see without light?

a)

Yes

b)

No

c)

Sometimes

43.

Can light curve around objects by itself?

a)

Yes

b)

No

c)

Sometimes

44.

Transmission of light is ...

a)

When things light up

b)

The mission of finding light in a dark room

c)

When light is stopped by an object

d)

When light passes through an object

45.

Which material allows no light to be transmitted?

a)

Opaque

b)

Translucent

c)

Transparent

46.

Which material allows some light to be transmitted?

a)

Opaque

b)

Translucent

c)

Transparent

47.

Which material allows most of the light to be transmitted?

a)

Opaque

b)

Translucent

c)

Transparent

48.

What is a shadow?

a)

When light is blocked by an opaque object

b)

A copy of the shape that is blocking the light

c)

The absence of light

d)

All of the above

49.

What two things impact the height of a shadow?

a)

The distance between an object and a light source

b)

The angle of the light source

c)

If the object is translucent

d)

If the object is flat on the ground

50.

What is the best description of an opaque material?

a)

No light passes through the material.

b)

Some light passes through the material.

c)

All light passes through the material.

51.

What is the best description of a transparent material?

a)

No light passes through the material.

b)

Some light passes through the material.

c)

All light passes through the material.

52.

What is the best description of a translucent material?

a)

no light passes through the material

b)

some light passes through the material

c)

all light passes through the material

53.

What type of object is shown in the picture?

a)

opaque

b)

transparent

c)

translucent

54.

What type of object is the glass in the glasses considered?

a)

opaque

b)

transparent

c)

translucent

55.

What type of object is a mirror considered?

a)

opaque

b)

transparent

c)

translucent

56.
What is this
a)
opaque
b)
transparent
c)
translucent
57.
_____?______ materials do not allow light waves to pass through.
a)
Opaque
b)
Transparent
c)
Translucent
58.
What is this
a)
translucent
b)
opaque
c)
transparent
59.

What are the three things light can do when it hits an object.

a)

reflect, refract, break

b)

reflect, transmit, break

c)

refract, break, absorb

d)

reflect, absorb, transmit

60.
What does it mean to absorb?
a)
to take in without motion
b)
clear or easy to see through
c)
a type of energy that makes things visible
d)
allowing light but not detail to pass through
61.
What is light?
a)
clear or easy to see through
b)
to put forth or send out
c)
a type of energy that makes things visible
d)
a transparent crystal used to separatelight
62.
What is a prism?
a)
a dark unlit shape caused by blocked light
b)
property of light seen as different hues
c)
curving or arched inward
d)
a transparent crystal used to separate light
63.
What does it mean to refract?
a)
to bend something, almost always light
b)
clear or easy to see through
c)
a polished surface which reflects an image
d)
allowing light but not detail to pass through
64.
What is a lens?
a)
transparent material for focusing light
b)
a transparent crystal used to separate light
c)
band of colored lights
d)
able to be seen
65.
What does it mean to be opaque?
a)
to put forth or send out
b)
to take in without motion
c)
unable to see through
d)
transparent material for focusing light
66.
What does it mean to reflect?
a)
a polished surface which reflects an image
b)
a transparent crystal used to separate light
c)
to form or reproduce an image by mirroring  it
d)
to bend something, almost always light
67.
What does it mean to be translucent?
a)
curving or arched inward
b)
to put forth or send out
c)
allowing light but not detail to pass through
d)
to bend something, almost always light
68.
What is a shadow?
a)
to form or reproduce an image by mirroring it
b)
transparent material for focusing light
c)
a type of energy that makes things visible
d)
a dark unlit shape caused by blocked light
69.
What does it mean to be transparent?
a)
a dark unlit shape caused by blocked light
b)
to take in without motion
c)
the tone or color of the skin
d)
clear or easy to see through
70.
What is color?
a)
curving or arched outward
b)
band of colored lights
c)
property of light seen as different hues
d)
the tone or color of the skin
71.
What does it mean to be concave?
a)
a dark unlit shape caused by blocked light
b)
band of colored lights
c)
a type of energy that makes things visible
d)
curving or arched inward
72.
What does it mean to be convex?
a)
allowing light but not detail to pass through
b)
unable to see through
c)
curving or arched outward
d)
a transparent crystal used to separate light
73.
What is a laser?
a)
a device for creating a narrow beam of light
b)
unable to see through
c)
red skin irritation from solar radiation
d)
curving or arched outward
74.
What is pigment?
a)
the tone or color of the skin
b)
red skin irritation from solar radiation
c)
a polished surface which reflects an image
d)
unable to see through
75.
What is a spectrum?
a)
able to be seen
b)
property of light seen as different hues
c)
band of colored lights
d)
a transparent crystal used to separate light
76.
What does it mean to be visible?
a)
band of colored lights
b)
able to be seen
c)
to form or reproduce an image by mirroring it
d)
the tone or color of the skin
77.
What is a mirror?
a)
property of light seen as different hues
b)
to bend something, almost always light
c)
transparent material for focusing light
d)
a polished surface which reflects an image
78.
What does it mean to emit?
a)
curving or arched outward
b)
to form or reproduce an image by mirroring it
c)
to put forth or send out
d)
a transparent crystal used to separate light
79.

•A source of illumination {brightening) ​ (a)  

Choose from the below words
light
darkness
shadow
the sun
80.

Type question here including an

a)

Light Source

1.

an object that creates light

b)

Reflector

2.

an object that directs light to our eye

c)

Shadow

3.

•An unilluminated area {darker, lacking

d)

Refract

4.

To make something change direction when

e)

Reflect

5.

To throw back

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