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8th Grade Chapter 4, Part 2
Test Description: The second part of the review game.
Instructions: Answer all questions to get your test result.
1) According to the law of reflection, the angle of incidence always equals
A
the angle of amplitude
B
the angle of transmission
C
the angle of refraction
D
the angle of reflection
2) ___ occurs when light waves traveling in 1 direction are made to travel in many directions
A
refraction
B
transmission
C
reflection
D
scattering
3) A wave that changes direction as it travels from one material into another is refracting.
A
false
B
true
4) Concave mirrors curve inward.
A
false
B
true
5) Convex mirrors produce images that are upside down.
A
true
B
false
6) Convex lenses produce images that depend on where an object is in relation to the
A
angle of incidence
B
lens
C
focal point
D
angle of reflection
7) The convex lens made of transparent tissue that is located on the outside of the eye is the
A
retina
B
lens
C
cone
D
cornea
8) Which part of the eye changes size to control the amount of light that enters?
A
cornea
B
lens
C
iris
D
pupil
9) ___ cells allow you to see in dim light.
A
cornea
B
cones
C
retina
D
rods
10) White light is
A
a combination of many wavelengths
B
composed of light with long wavelengths
C
the absence of all light waves
D
composed of light with short wavelengths
11) ___ materials allow some light to pass through them and form a blurry image.
A
translucent
B
solid
C
transparent
D
opaque
*select an answer for all questions
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