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Science fair test

Total questions: 21

Worksheet time: 9mins

Name
Class
Date
1.

Which colour eye has more melanin

a)

Brown

b)

Dark colours

c)

Blue

d)

Lighter colours

e)

Green

2.

What is the Center of the eye called

a)

Eyebrows

b)

Eyeliner

c)

Lens

d)

Iris

e)

Trick question

3.

What is the nerve called

a)

Optic nerve

b)

THE NERVE

c)

The thing that connects the eye to the brain

4.
The layer of receptor cells that lines the back of the eye where nerve impulses begin.
a)
Iris
b)
Lens
c)
Retina
d)
Pupil
5.

Regulates the amount of light entering the eye and gives the eye its color.

a)

Iris

b)

Lens

c)

Pupil

d)

Retina

6.
The clear tissue that covers the front of the eye.
a)
Lens
b)
Pupil
c)
Iris
d)
Cornea
7.
The eyeball is too long
a)
Nearsightedness
b)
Farsightedness
c)
Both answers
d)
Neither answer
8.

The place where the optic nerve leaves the retina, where there are no light-sensitive cells is the ________________.

a)

lens

b)

cornea

c)

blind spot

d)

sclera

9.

___________________ is a clear fluid in the front part of the eye, that helps the cornea keep its rounded shape.

a)

cornea

b)

aqueous humor

c)

vitreous humor

d)

retina

10.

______________________ is the thick, clear jelly that helps give the eyeball its shape.

a)

aqueous humor

b)

vitreous humor

c)

blind spot

d)

optic nerve

11.

What is the Center of the eye called

a)

Eyebrows

b)

Eyeliner

c)

Lens

d)

Iris

e)

Trick question

12.

The place where the optic nerve leaves the retina, where there are no light-sensitive cells is the ________________.

a)

lens

b)

cornea

c)

blind spot

d)

sclera

13.

The layer of receptor cells that lines the back of the eye where nerve impulses begin.

a)

Iris

b)

Lens

c)

Retina

d)

Pupil

14.
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
15.
What is letter B
a)
Optic nerve
b)
Lens
c)
Cornea
d)
Retina
16.
What is letter C
a)
Vitreous humor
b)
Lens
c)
Optic nerve
d)
Cornea
17.
What is letter E?
a)
Vitreous humor
b)
Retina
c)
Cornea
d)
Optic nerve
18.
What is letter F?
a)
Retina
b)
Pupil
c)
Vitreous humor
d)
Iris
19.
What is letter G?
a)
Sclera
b)
Retina
c)
Lens
d)
Vitreous humor
20.
What is letter H?
a)
Cornea
b)
Optic nerve
c)
Iris
d)
Retina
21.
What is letter I?
a)
Cornea
b)
Lens
c)
Vitreous humor
d)
Optic nerve