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WorksheetsYr 8 Light Pre-Test
Total questions: 21
Worksheet time: 17mins
Name
Class
Date
1.
A cut piece of clear glass or plastic in the form of a triangle or other geometric shape.
a)
Person
b)
Prison
c)
Prism
d)
Preacher
2.
When light strikes an object with a rough surface, photons bounce off at random angles.
a)
Occer
b)
Scope
c)
Scattering
d)
Scattegories
3.
A tiny bundle of energy by which light travels
a)
Photographs
b)
Photos
c)
Photons
d)
Friends
4.
A region that contains few or no particles
a)
Vacuum
b)
Velocity
c)
Velcro
d)
Volcano
5.
Allows little to no light through.
a)
Transparent
b)
Translucent
c)
Opal
d)
Opaque
6.
Curve Out
a)
Converse
b)
Concave
c)
Convex
d)
Convection
7.
The bending of waves as they pass from one substance into another.
a)
Reaction
b)
Reflection
c)
Refraction
d)
Repost
8.
Band of color in a rainbow, or from a light passing through a prism.
a)
Spectrum
b)
Space
c)
Prism
d)
Refraction
9.
The distance between one peak and the next in a wave
a)
Transpartent
b)
Scattering
c)
Wavelength
d)
Waste Pro
10.
The term for any wave that hits a surface and bounces off
a)
Transparent
b)
Translucent
c)
Refraction
d)
Reflection
11.
Blurs light as it passes through
a)
Transparent
b)
Translucent
c)
Opaque
d)
Refraction
12.
Transfer of energy when a wave disappears into a surface
a)
Transparent
b)
Refraction
c)
Reflection
d)
Absorption
13.
Allows most light through
a)
eflection
b)
Refraction
c)
Translucent
d)
Transparent
14.
The number of vibrations a wave makes in a given amount of time is a
a)
Absorption
b)
Medium
c)
Frequency
d)
Photon
15.
A substance through which light travels.
a)
Wavelength
b)
Opaque
c)
Frequency
d)
Medium
16.
Light is a kind of.....
a)
reflection
b)
energy
c)
heat
d)
matter
17.
If a black and white car were in the parking lot all day. Compare the temperatures of the two cars.
a)
The black car would be cooler.
b)
The white car would be hotter.
c)
The black car would be hotter.
d)
They would be the same
18.
According to the Law of reflection, a light ray striking a mirror
a)
continues moving through the mirror in the same direction
b)
moves into the mirror at a slightly different angle
c)
bounces off the mirror toward the direction it came from
d)
bounces off the mirror at the same angle it hits.
19.
The fact the two angles are the same is an example of....
a)
Refraction
b)
Angle of Incidence
c)
Law of reflection
d)
Magnification
20.
The point where the rays meet is known as....
a)
Fire
b)
the focal point
c)
refraction
d)
Plane of the lens
21.
The sunset is red due to ......
a)
Reflection
b)
Water particles
c)
Refraction
d)
Aliens
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