Eye Structure and Function

Quiz
•
Science
•
7th - 8th Grade
•
Hard
Standards-aligned
Frankie Natale
Used 77+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Light enters through the...
cornea
glands
iris
retina
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
How does an optical illusion occur?
The brain misinterprets electrical signals from the eyes
The eyes cannot see correctly
The brain has two interpretations of the electrical signal from the eyes
The eyes misinterpret electrical signals from the brain
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following steps in the visual process happens JUST AFTER receptor cells in the eye produce electrical signals in response to light?
The eye analyzes a series of points
Nerve cells send signals to the brain
The brain receives the signals
The signals are analyzed by the brain
Tags
NGSS.MS-LS1-8
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Why does the center of a person's vision appear more clear and colorful than the edges of their vision?
The center of the eye has more rod cells than the edges
The center of the brain holds the retina
The center of the eye has more cone cells than the edges
The center of the eye is thicker than the edges
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The retina is actually an extension of the brain, connected by the optic nerve.
True
False
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
To allow humans to see objects in three dimensions, the ____________ combines the images received by each eye.
retina
brain
optic nerve
cornea
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
How does light affect the pupil?
The pupil gets larger as light decreases
The pupil gets larger as light increases
The pupil's color depends on the amount of light
The pupil isn't affected by light
8.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following does NOT protect the eyes?
tears
retina
eyelids
eyelashes
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