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Worksheets

Light

Total questions: 27

Worksheet time: 27mins

Name
Class
Date
1.
Why do we see a GREEN leaf?
a)
because humans color it that color
b)
because it absorbs green and reflects all the other colors
c)
it absorbs every color except for green
2.

What is letter E?

a)

Lens

b)

Retina

c)

Cornea

d)

Optic nerve

3.

What is letter F?

a)

Retina

b)

Pupil

c)

Lens

d)

Iris

4.
What is letter H?
a)
Cornea
b)
Optic nerve
c)
Iris
d)
Retina
5.

What is letter I?

a)

Cornea

b)

Lens

c)

Retina

d)

Optic nerve

6.
What will happen when a pencil is placed in water? 
a)
Reflect
b)
Refract
c)
Absorb
d)
Transmit
7.
This is an example of? 
a)
Absorb
b)
Reflect
c)
Refract
d)
Transmit
8.
Objects look different under water because
a)
the light rays bounce off
b)
the light rays bend
c)
the light rays stop
d)
the light rays travel straight
9.
Glass usually allows light to 
a)
absorb into it
b)
pass through it
c)
change into wavy lines
d)
be blocked
10.
The main source of light is
a)
the sun
b)
the moon
c)
the stars
d)
Jupiter
11.

How does light energy move?

a)

In a straight line

b)

In different directions

c)

At 90 degree angle

d)

Backwards

12.
Which word means: to take in
a)
reflect
b)
absorb
c)
transmit
d)
echo
13.

To bounce back

a)

Transmit

b)

Absorb

c)

Reflect

d)

Refract

14.
Why would an object be white?
a)
All of the colors of the rainbow reflected off of the object
b)
All of the colors of the rainbow were absorbed into the object
15.
Why would an object be black?
a)
All of the colors of the rainbow reflected off of the object
b)
All of the colors of the rainbow were absorbed into the object
16.
Smooth surfaces _______ a lot of light.
a)
reflect
b)
bend
c)
absorb
d)
twist
17.
Which object would most likely reflect light?
a)
carpet
b)
paper 
c)
aluminum foil
d)
plastic bag
18.
Which part of the eye regulates the amount of light entering the eye and gives the eye its color?
a)
Iris
b)
Lens
c)
Pupil
d)
Retina
19.
What is the pupil?
a)
Focuses light
b)
Clear tissue that covers the front of the eye
c)
Opening through which light enters the eye
d)
Layer of receptor cells
20.

When a rainbow is formed outside naturally, what causes the light to refract?

a)

A. Small raindrops

b)

B. Sunlight rays

c)

C. Tiny mirrors

d)

D. Glass prisms

21.
The color you see is the color that is ___.
a)
reflected
b)
absorbed
c)
the brightest
d)
the darkest
22.

What is a prism?

a)

a transparent object that separates white light into the visible spectrum

b)

an object that appears black

c)

an object that appears white

d)

an object that appears purple

23.

Why does white light look like a rainbow when it exits a prism?

a)

The prism adds more kinds of light.

b)

The prism changes some white light into electricity.

c)

The prism is filled with many different colors.

d)

The prism separates white light into the visible spectrum

24.
The clear tissue that covers the front of the eye and protects it from dirt and germs is called the
a)
Lens
b)
Pupil
c)
Iris
d)
Cornea
25.

What does the optic nerve do?

a)

Protects the outside of the eye.

b)

Lets light in.

c)

Sends messages to the brain about what you are seeing

d)

Regulates amount of light

26.
What is letter B
a)
Optic nerve
b)
Lens
c)
Cornea
d)
Retina
27.
Which of the following is NOT a light source?
a)
the sun
b)
a lightbulb
c)
the moon
d)
a fire