Basic Structures of the Eye and Ear

Basic Structures of the Eye and Ear

Please complete this lesson to help you review for your quiz on Friday, January 22!

This is the diagram of the eye. Take a few minutes to study the image (and you can study the image in your notes as well!). This is the image that will be on your quiz, but it won't be the same letters! The colors will be the same!

Study the locations of these structures of the eye!

A = Blind Spot

B = Lens

C = Cornea

D = Pupil

E = Iris

F = Sclera

G = Optic Nerve

H = Retina

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The Blind Spot

• Watch the following video clip, then do the activity (you can use a small scrap of paper)

Open Ended

So - what did you think of the little blind spot activity? (Yes, you have to answer this question, and yes I will read it!)

Multiple Choice

What part of the eye is responsible for creating the blind spot?

• Sclera

• Optic Nerve

• Cornea

• Rods and Cones

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Watch this video clip

And answer the questions on the next page!

Multiple Choice

The __________ is the colored part of the eye, and the black circle in the middle is the ________________.

• pupil, cornea

• lens, pupil

• iris, pupil

• pupil, cornea

Now, watch this clip, and get ready to answer the question on the next slide!

Multiple Choice

When you are in a dark room, your pupil gets SMALLER.

• True

• False

Multiple Choice

When you are outside on a sunny day, your pupils get SMALLER.

• True

• False

Multiple Choice

Which letter is where the lens is located?

• A

• B

• C

• D

Multiple Choice

What part of the eye is the pupil?

• A

• B

• C

• D

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Watch this video clip about the cornea!

Be ready to answer a question on the next slide!

Multiple Choice

The cornea acts like a _______ that lets light into your eye.

• Door

• Train

• Window

• Factory

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Watch this video clip (you only need to go to 3:15, but it won't let me edit out the last minute!)

Multiple Choice

When the light goes through your pupil, it hits your ________, and then it sends electrical signals via the ____________ to your brain.

• lens; optic nerve

• optic nerve, cornea

• retina, blind spot

• retina, optic nerve

Watch the clip to answer the question on the next slide!

Multiple Choice

The unluckiest kid in the word got a pretty bad cut on his eye when that flying debris ended up getting into his eye. What is the name of the white area that was scratched?

• pupil

• iris

• sclera

• lens

Multiple Choice

This part of the eye covers most of the outside of your your eye - it allows muscles to attach to your eye and control your eye movements.

• sclera

• iris

• optic nerve

• retina

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