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How We See and Hear

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Name structure A

a)

Pupil

b)

Iris

c)

Cornea

d)

Retina

2.

Name Structure B

a)

Lens

b)

Pupil

c)

Sclera

d)

Cornea

3.

Name structure G

a)

Lens

b)

Pupil

c)

Optic Nerve

d)

Ciliary Muscles

4.

What structure is responsible for carrying sensory impulses from the eye to the brain?

a)

Retina

b)

Iris

c)

Optic Nerve

d)

Rods & Cones

5.

What will happen to your pupils if you are in a really bright room?

a)

They will contract

b)

They will expand

c)

They will burst into flames

d)

They will stay the same size

6.

What structure of the eye controls the size of the pupils?

a)

Ciliary Muscles

b)

Iris

c)

Lens

d)

Retina

7.

What is the function of the Lens?

a)

Lining of the back of the eye that contains light receptor cells.

b)

Regulates how much light enters the eye

c)

Tough, transparent, protective coating that bends light as it enters the eye

d)

Focuses light onto the retina

8.

What happens to your eyes if you are in a dark room?

a)

Your Iris will narrow to allow more light in

b)

Your pupils will widen to let in more light

c)

Your pupils will narrow to let in more light

9.

Identify structure D

a)

Retina

b)

Optic Nerve

c)

Sclera

d)

Lens

10.
When sound waves cause the eardrum to vibrate, these vibrations are immediately passed on to the_________.
a)
outer ear and ear canal
b)
inner ear
c)
tiny hairs
d)
three small bones in the middle ear
11.
Which part of the ear acts as the sound collector?
a)
outer ear
b)
ear canal
c)
middle ear
d)
inner ear
12.
Where does HEARING (interpreting the nerve impulses) take place?
a)
outer ear
b)
middle ear
c)
inner ear
d)
brain
13.
Sound is caused by ______________.
a)
vibrations
b)
light
c)
the sun
14.
Identify the order in which sound travels through the ear 
a)
hammer, stirrup, anvil, eardrum, ear canal
b)
ear canal, eardrum, hammer, stirrup, anvil 
c)
ear canal, eardrum, hammer, anvil, stirrup
d)
eardrum, ear canal, hammer, anvil, stirrup
15.
Which region of the EAR is filled with fluid?
a)
Inner Ear
b)
middle ear
16.

What part is #1?

a)

Pinna

b)

Ear Canal

c)

Ear Drum

d)

Oval Window

17.
An ___________ is a sense organ containing receptors for detecting sound.
a)
eye
b)
ear
c)
mouth
d)
nose
18.
When the sound travels into your ear, it vibrates the ___________.
a)
inner ear
b)
eardrum
c)
outer ear
d)
middle ear
19.
When a sound is louder what measurement gets bigger?
a)
Frequency 
b)
Amplitude 
c)
Wavelength 
d)
Crest
20.
What is something natural that Sound cannot travel through?
a)
Water
b)
Air
c)
Liquids
d)
outer Space

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