Ch.2 Sections 4-5 Eye/Optics - Sci 7

Ch.2 Sections 4-5 Eye/Optics - Sci 7

7th Grade

14 Qs

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Ch.2 Sections 4-5 Eye/Optics - Sci 7

Ch.2 Sections 4-5 Eye/Optics - Sci 7

Assessment

Quiz

Biology, Science

7th Grade

Medium

Created by

Don Bell

Used 10+ times

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14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An opening through which light enters the inside of the eye. In dim light it becomes larger to allow in more light. In bright light it becomes smaller to allow in less light.

Cornea

Pupil

Iris

Retina

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A layer of cells that lines the inside of the eyeball made up of tiny light-sensitive cells.

Cornea

Pupil

Iris

Retina

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Transparent front surface where light enters. It protects the eye and acts as a lens to help focus light rays.

Cornea

Pupil

Iris

Retina

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A ring of muscles that contracts and expands to change the size of the pupil. It also gives the eye its color.

Cornea

Pupil

Iris

Retina

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Light-sensitive cells that respond to color and detect red, green, and blue light.

Iris

Retina

Rods

Cones

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

These light-sensitive cells containing a pigment that respond to small amounts of light. They detect light, dark, and shades of gray.

Iris

Retina

Rods

Cones

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

This person can see distant objects clearly, but nearby objects are blurred. The eyeball is too short, so the lens focuses in back of the retina. This is corrected with the use of convex lens glasses.

Iris

Pupil

Nearsighted

Farsighted

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