CKLA U3 L10 Chapter 7: Eyes and Vision

Chapter 7: Eyes and Vision

​Unit 3 Lesson 10

​Read pages 52 and 53 to fill in the blank in the following sentence:

​Dr. Welbody brought in Dr. Kwan Si-Yu because Dr. Welbody is not an _____ on vision.

​Read pages 54-55 to find the answer to the question:

Why does the pupil in your eye get bigger and smaller?

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Multiple Choice

Why does the pupil in your eye get bigger and smaller?

• The pupil gets bigger and smaller because it is tired.

• The pupil gets bigger and smaller to be able to see.

• The pupil gets bigger to let more light in and smaller to let less light in.

• The pupil gets bigger to see farther and smaller to see closer.

Read pages 56 and 57 to find the answer to the questions:

​What is the function of the cornea?

​What is the function of the retina?

Multiple Choice

What is the function of the cornea?

• The cornea is the part of the eye that focuses light.

• The cornea helps protect the eye from dirt and germs.

• The cornea gives us the ability to see.

• The cornea sends messages to the brain.

Multiple Choice

​What is the function of the retina?

• The nerves in the retina send messages to the brain down a nerve called the optic nerve.

• The retina helps protect the eye from dirt and germs.

• The retina helps the eye move.

• The retina is the part of the eye that focuses light.

​Read pages 58 and 59 to find the answer to the question:

​What is the function of rods and cones?

Multiple Choice

​What is the function of rods and cones?

• Rods and cones help protect the eye from dirt and germs.

• Rods and cones can be different colors.

• Rods and cones expand to let more light in and get smaller to let less light in.

• Rods and cones send information to the brain using the optic nerve.