Physical Science Part 2 Exam Study Guide
Authored by Lauren Johnson
Science
8th Grade
NGSS covered
Used 9+ times
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79 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a lens? Fill in the blank: A lens is a __________ material with a curved surface that reflects light rays.
transparent
opaque
metallic
reflective
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a convex lens do? Fill in the blank: A convex lens __________ light rays to form images.
focuses
scatters
blocks
reflects
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A concave lens is:
a lens that is thicker at the center than at the edges
a lens that is thinner at the center than at the edges
a lens that converges light rays
a lens that forms only real images
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fill in the blank: The ______ is the inner lining of the eye converting light into electrical signals that the brain interprets; it contains rods and cones.
Retina
Cornea
Lens
Iris
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fill in the blank: The ______ is the colored ring of muscle that controls the size of the pupil.
Iris
Cornea
Retina
Lens
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fill in the blank: The ______ carries signals generated by rods and cones to your brain.
Optic nerve
Cornea
Retina
Lens
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fill in the blank: The ______ is the transparent covering on the eyeball where light enters the eye.
Cornea
Retina
Lens
Iris
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