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Light

Total questions: 64

Worksheet time: 1hrs 15mins

Name
Class
Date
1.
What particles make up light?
a)
Photons
b)
Neutrons
c)
Protons
2.
Light behaves like both a particle and a ______.
a)
Mass
b)
Wave
c)
Current
3.
What color has the shortest wavelength, or the highest frequency?
a)
yellow
b)
blue
c)
red
d)
violet
4.
What does refraction mean?
a)
bending light
b)
bouncing light
5.
What is this a picture of?
a)
reflection
b)
refraction
6.

Why does light refract?

a)

speeds up

b)

gets hot

c)

slows down

d)

gains energy

7.

Light travels through an object during

a)

absorption

b)

reflection

c)

transmission

d)

diffraction

8.
The full spectrum of light energy is called the__________
a)
broad spectrum
b)
electromagnetic spectrum
c)
helium spectrum 
d)
natural light spectrum
9.
When the surface of a mirror curves inward, like the inside of a bowl, it is called a
a)
Plane Mirror
b)
Convex Mirror
c)
Concave Mirror
d)
Diffuse Mirror
10.
Which wavelength of visible light has the lowest energy?
a)
Red
b)
Yellow
c)
Orange
d)
Blue
11.

When the sun gets higher in the sky, shadows get ______.

a)

longer

b)

gone

c)

shorter

d)

darker

12.

When the sun gets lower in the sky, shadows get______.

a)

longer

b)

gone

c)

shorter

d)

darker

13.

Shadows are longest during _______.

a)

morning and evening

b)

noon

c)

night

14.

Shadows are shortest around______.

a)

morning and evening

b)

noon

c)

night

15.
Which light source causes shadows in the outdoor environment? 
a)
The Sun
b)
The Lightbulb
c)
The House
d)
The School
16.

When an object blocks the path of light, what is formed?

a)

A problem

b)

A fog

c)

A reflection

d)

A shadow

17.

Why do shadows made by the Sun move throughout the day?

a)

Because the weather changes

b)

Because someone moves the objects

c)

Because the sun appears to move across the sky

d)

Because it's magic!

18.

Where will the tree's shadow be?

a)

A

b)

B

c)

C

19.

Where will the tree's shadow be?

a)

A

b)

B

c)

C

20.

Which position of the sun will make the longest shadow?

a)

A

b)

B

c)

C

21.

Transparent is?

a)

A material that allows light to pass through

b)

The colors of the rainbow

c)

Light made by man

22.

When the Sun is behind you, your shadow is ...

a)

behind you

b)

in front of you

c)

at the side of you

d)

not there

23.
Put the visible light colors in order from longest wavelength to shortest wavelength
a)
Violet, Blue, Green, Orange, Yellow, Red
b)
Red, Yellow, Green, Orange, Violet, Blue
c)
Red, Orange, Yellow, Green, Blue, Violet
d)
Blue, Violet, Green, Yellow, Orange, Red
24.
Select the correct order of waves on the Electromagnetic Spectrum
a)
Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
b)
Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio
c)
Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio
d)
Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma
25.
This type of Electromagnetic wave shows a break in bones.
a)
gamma ray
b)
x-ray
c)
brokenometer
d)
radio wave
26.
________________ are waves used by cops to test the speed of your car with RADAR.
a)
Ultraviolet
b)
Infrared
c)
Radio
d)
Microwaves
27.
_____________________light is the only type of EM wave detected by the human eye.
a)
Red
b)
Gamma
c)
Microwave
d)
Visible
28.
which of the following does NOT belong in the electromagnetic spectrum:
a)
X-ray
b)
sound wave
c)
ultra violet rays
d)
microwaves
29.
The distance from one point to the next corresponding point on a wave is called the ________________.
a)
waveform
b)
peak
c)
amplitude
d)
wavelength
30.

The diagram shows

a)

refraction of light.

b)

absorption of light.

c)

reflection of light.

d)

scatter of light.

31.

Which is the reflected ray?

a)

A

b)

B

c)

C

d)

D

32.

What is the object helps the customers at a show store to choose their favourite shoes?

a)

periscope

b)

hand held mirror

c)

plane mirror

d)

dental mirror

33.
The ray of light that strikes a reflecting surface is called ________.
a)
incident ray
b)
reflected ray
c)
normal ray
d)
none of the above
34.
Light travels in ___________ lines
a)
wavy
b)
bent
c)
straight
d)
backwards
35.
what is the angle between the incident ray and the normal called as
a)
angle of incidence
b)
angle of reflection
c)
angle of convergent
d)
angle of divergent
36.
If the angle of incidence is 45 degree, what is the angle between the incident ray and reflecting surface
a)
45
b)
90
c)
180
d)
none of the above
37.
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
38.
The following is a picture of what type of mirror? 
a)
Convex Mirror
b)
Concave Mirror
c)
Plane Mirror
d)
Flat Mirror
39.
The following is a picture of what type of mirror? 
a)
Convex Mirror
b)
Concave Mirror
c)
Plane Mirror
d)
Flat Mirror
40.

Type of mirror that can produce an inverted image...

a)

Plane

b)

Convex

c)

Concave

41.
A _______ breaks white light into colors.
a)
prism
b)
visible spectrum
c)
shadow
d)
lens
42.
When all light can pass through an object, that object is:
a)
translucent
b)
transparent
c)
opaque
d)
reflected
43.
A ___ lens makes objects appear bigger.
a)
concave
b)
convex
c)
prism
d)
flat
44.
How is a rainbow created?
a)
All colors are reflected off of an object.
b)
White light is refracted through a prism.
c)
White light is reflected off of a mirror.
d)
All colors are absorbed by a prism.
45.
Light bending as it passes through a rain drop is an example of...
a)
Refraction
b)
Reflection
46.

When white light goes through a prism, red light is _____________ the least.

a)

reflected

b)

refracted

c)

bounced

d)

real

47.

When white light goes through a prism __________ light is refracted the most

a)

violet

b)

blue

c)

red

d)

green

48.

A green object absorbs all colours except

a)

black

b)

red

c)

green

d)

blue

e)

white

49.

The primary colours of light are

a)

Red, blue, green

b)

Blue, indigo, violet

c)

Red, magenta, green

d)

Magenta, cyan, yellow

50.

The secondary colours of light are

a)

Red, blue, green

b)

Blue, indigo, violet

c)

Red, magenta, green

d)

Magenta, cyan, yellow

51.

We can see this calculator as white because it contains no pigments and

a)

Reflects all colours

b)

Reflects no colours

c)

Absorbs all colours

d)

Absorbs no colours

52.

These shoes appear black because they contain a mixture of pigments which

a)

Reflects all colours of the spectrum

b)

Reflects no colours of the spectrum

c)

Absorbs all colours of the spectrum

d)

Absorbs no colours of the spectrum

53.

Why does this flower appear magenta to our eyes?

a)

Only red and blue light are absorbed into our eye

b)

Because all colours of the visible spectrum are absorbed

c)

Because that's what colour the flower is

d)

Only red and blue light are reflected into our eye

54.

Which of the following is correct?

a)

Blue + Maroon = Magenta

b)

Green + Blue = Cyan

c)

Red + Blue = Green

d)

Yellow + Cyan = Green

55.

Which colour light is being reflected?

a)

Magenta

b)

Red + Blue

c)

Orange

d)

All colours except for orange

56.

This piggy bank appears as the colour it is because....

a)

Blue and green light is being absorbed into your eyes

b)

Blue and yellow light is being absorbed into your eyes

c)

Blue light is being reflected into your eyes

d)

Blue and green light is being reflected into your eyes

57.

A 'pigment' is

a)

How dark a colour appears

b)

A term used to describe the absorption of light

c)

Chemical that can only reflect certain colours

d)

When two primary colours of light overlap to form a secondary colour of light

58.
_____?______ materials do not allow light waves to pass through.
a)
Opaque
b)
Transparent
c)
Translucent
59.
_____?_____ materials allow some light to partially pass through, but not in a straight path.
a)
Opaque
b)
Transparent
c)
Translucent
60.
The water is what
a)
opaque
b)
translucent
c)
transparent
61.

An object that blocks all of the light from passing through is...

a)

transparent

b)

clear

c)

opaque

d)

translucent

62.

This type of object lets some light through, but not all. It is not easy to see through this type of material.

a)

transparent

b)

translucent

c)

co-parent

d)

opaque

63.
Your grandma has plants in her kitchen. They need lots of light! What type of windows should she have installed that will be best for her indoor garden?
a)
opaque windows
b)
translucent windows
c)
transparent windows
d)
no windows, just walls
64.
what is this
a)
translucent
b)
transparent
c)
opaque

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