WorksheetsLight and Matter
Total questions: 18
Worksheet time: 9mins
Name
Class
Date
1.
What particular form of energy is called electromagnetic radiation?
a)
Sound
b)
Water
c)
Light
2.
Light can travel through a vacuum.
a)
True
b)
False
3.
Rays of light travel in _____________________ lines until they collide with something.
a)
Wavy
b)
Straight
c)
Upside Down
4.
What something ____________________ light, it soaks up the light and changes to heat energy.
a)
absorbs
b)
reflects
c)
refracts
d)
destroys
5.
When a light wave hits an object and changes direction, we call this _____________________.
a)
absorbing
b)
reflecting
c)
refracting
d)
destroying
6.
When a light wave bounces off an object's surface cause it cannot pass through, it is called ________________________.
a)
absorbing
b)
reflecting
c)
refracting
d)
destroying
7.
When a light wave meets a material that it is reflected off of or absorbed by, we say that this material is ____________________.
a)
opaque
b)
transparent
c)
translucent
8.
When a material allows some light to pass through it, but it scatters the light, we call it ______________________.
a)
opaque
b)
transparent
c)
translucent
9.
When a material allows a light wave to travel through it without any disturbance, we say that this material is __________________________.
a)
opaque
b)
transparent
c)
translucent
10.
The ____________________________________ is the term used to describe the range of light that exists.
a)
Brightness of the light
b)
Visible Light Spectrum
c)
Electromagnetic Spectrum
11.
The brightness of light is determined by the ____________________________ of the wave. The greater this is, the brighter the light will be.
a)
crest (bottom)
b)
amplitude (height)
c)
equator (middle line)
12.
A ______________ is a pattern of symbols.
a)
pattern
b)
sentence
c)
code
13.
How do most computers and computerized devises today send, receive, and store information?
a)
In a pattern
b)
In binary code
c)
In a long string of symbols that look like Widgets Font from Microsoft
14.
What is one source of NATURAL LIGHT?
4 lines
15.
What is one source of ARTIFICIAL LIGHT (fake light)?
4 lines
16.
What is one example of a TRANSPARENT material?
4 lines
17.
What is one example of ELECTROMAGNETIC ENERGY that we CANNOT SEE?
4 lines
18.
What did Samuel Morse invent using codes?
a)
Monetary Division
b)
Municipal Government
c)
Morse Code
d)
Mathematical Algebra
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