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Sight and Sound

Total questions: 41

Worksheet time: 21mins

Name
Class
Date
1.

What is the screen at the back of the eye?

a)

pupil

b)

iris

c)

retina

d)

cornea lens

2.

What is the clear layer in the front of the eye?

a)

pupil

b)

iris

c)

cornea lens

d)

retina

3.

What is the black hole in the middle of an eye?

a)

pupil

b)

iris

c)

cornea lens

d)

retina

4.

What is the colored, donut shaped part of you eye called?

a)

pupil

b)

iris

c)

cornea lens

d)

retina

5.
Why do some people have blurry vision?
a)
Their eye color is blue.
b)
The back of their eye is too far or too close to the front of the eye.
c)
The retina is the wrong color.
6.
Light enters the eye through the cornea-lens, iris, and pupil.
a)
True
b)
False
7.
What would you see if your cornea-lens was cloudy instead of clear?
a)
Images would be upside down.
b)
You wouldn't be able to see color.
c)
You wouldn't be able to see things; instead you would only be able to tell light from dark.
8.
The retina is in the __________ of the eye.
a)
front
b)
back
c)
side
9.
The ___________ is the clear layer over the eye that acts as a protective layer.  It also has a lens.
a)
white of the eye
b)
pupil
c)
iris
d)
cornea
10.
True or False:
Only people with blue eyes can be blind?
a)
True
b)
False
11.
Dissection looks at items _____________ the body.
a)
inside
b)
outside
12.
What happens to your pupil when the room goes dark?
a)
It opens wider to allow in more light.
b)
It shrinks to keep the light out.
13.
How do nocturnal animals see in the dark better than we can?
a)
Their eyes are stronger than ours.
b)
Their iris isn't colored.
c)
Their pupils can get larger than our pupils. 
14.
True or False:
Nocturnal animals have a colored layer at the back of their eye that helps them see better.
a)
True
b)
False
15.
Why does it sometimes look like people have red eyes when their picture is taken using a camera's flash?
a)
The camera colors eyes red.
b)
The camera's flash is lighting up the blood vessels at the back of the eye.
c)
Our eyes really have a red iris.
16.
Your pupil controls how much ___________ is allowed into your eye.
a)
sound
b)
color
c)
light
17.
The eyes of nocturnal animals have pupils that _____________ really wide to let in lots of ___________.  
a)
open; light
b)
close; light
c)
stay; light
18.
When would you want your pupils to open wide?
a)
Outside during a sunny day.
b)
Outside during a cloudy day.
c)
In a dark room.
19.
When would you want your pupil to shrink?
a)
Outside during a bright day.
b)
Outside during a cloudy day. 
c)
In a dark room.
20.
What creatures scared Doug and his wife one night at their house?
a)
dogs
b)
cats
c)
skunks
d)
raccoons
21.

When you talk into your paper cup telephone, the person on the other end can feel the bottom of their telephone __________.

a)

Move

b)

Vibrate

c)

Travel

22.

When you are speaking, what part of your body creates vibration and sound?

a)

Throat

b)

Mouth

c)

Vocal Cords

d)

Neck

23.

True or false? Vibrations travel down the string to get from one end of the paper cup telephone?

a)

True

b)

False

24.

What is a back and forth movement of something?

a)

wave

b)

vacuum pump

c)

vibration

d)

volume

25.

True or false? It is possible to "see" sound.

a)

True

b)

False

26.

the term scientists use to describe how squished together or spread out a wave is

a)

vibration

b)

oscilloscope

c)

wavelength

d)

vacuum pump

27.

a device that shows sound waves like a graph in a sideways view

a)

vibration

b)

pitch

c)

vacuum pump

d)

oscilloscope

28.

a travelling movement created by a vibration in water or air

a)

vacuum pump

b)

volume

c)

wavelength

d)

wave

29.

a device that can remove the air from a container allowing scientists to study what it's like in outer space

a)

oscilloscope

b)

vacuum pump

c)

vibration

d)

pitch

30.

What is not creating vibration with sound?

a)

A cup of water

b)

A speaker playing music

c)

Someone playing a bass guitar

d)

A person talking

31.
Sound is produced when something ______________
a)
Vibrates
b)
Moves through empty space
32.

What is the highness or lowness of a sound?

a)

Volume

b)

Vibration

c)

Pitch

d)

Waves

33.

Sound can travel through empty space.

a)

True

b)

False

34.

Sound waves look like and spread out like ripples in a pond, but are in the air instead of water.

a)

True

b)

False

35.

Low pitched sounds have long wave lengths.

a)

false

b)

true

36.

What kind of animal would make a sound with a pitch like this?

a)

whale

b)

bird

37.

High pitch sounds have long wavelengths.

a)

true

b)

false

38.

What kind of animal sound would create a wavelength like this?

a)

whale

b)

bird

39.

A HUGE speaker is blasting sound toward the house. What will most likely happen?

a)

People will come out of the house and begin to dance.

b)

There will be an echo.

c)

The sound waves will cause the window to break.

d)

Nobody will notice.

40.

The wavelength of a sound tells about its __________ .

a)

beauty

b)

crest

c)

pitch

d)

amplitude

41.

Sound waves are similar to water waves.

a)

true

b)

false

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