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WorksheetsLight waves
Total questions: 21
Worksheet time: 21mins
Name
Class
Date
1.
Light is a kind of __________
a)
energy
b)
energy drink
c)
sound
d)
sun
2.
The sun spews energy only towards earth.
a)
true
b)
false
3.
Light travels at _________ miles per second
a)
100
b)
80000
c)
6000
d)
186,000
4.
Which scientist believed that light behaves as waves?
a)
Christian Huygens
b)
Einstein
c)
Marie Currie
d)
Mr Landis
5.
Which scientist believed that light behaves like particles?
a)
Charles Darwin
b)
Nikola Tesla
c)
Isaac Newton
d)
Stephen Hawking
6.
When light bounces off of things it is called?
a)
Shiny
b)
Reflection
c)
Uncanny
d)
Superficial
7.
When a flashlight is shined into a mirror and you get a well defined beam of light back, this is called?
a)
accuracy
b)
lasers
c)
specular reflection
d)
obtuse reaction
8.
Shining a light on a dirty spoon and having the light scatter is called what?
a)
diffuse reflection
b)
anti-shiny
c)
dull
d)
wanna-be-like Mr Landis
9.
When light travels through water it ______.
a)
speeds up
b)
gets wet
c)
slows down
d)
makes it boil
10.
What process did we see when we put a straw into the beaker?
a)
refraction
b)
diffraction
c)
conservation of energy
d)
infusion
11.
When you look at a street light at night and squint your eyes to make the light spread out, you are doing what?
a)
insubordination
b)
diffraction
c)
fusion
d)
seeing pretty lights
12.
What process causes rainbows to appear in the sky?
a)
unicorns
b)
leprechauns
c)
interference
d)
bubbles
13.
The Law that no energy is ever created or lost and there is a fixed amount of energy in the universe is called what?
a)
winning
b)
conservation of energy
c)
nuclear reaction
d)
fission
14.
Atoms have these things spinning around their nucleus in different energy levels, what are they?
a)
Electrons
b)
Protons
c)
Photons
d)
Neutrons
15.
When electrons give back the energy that they have absorbed, they give off _______.
a)
Jimmy Neutrons
b)
darkness
c)
time
d)
photons
16.
Solar panels are made up of this material, which absorbs light and turns it into electricity.
a)
Silicon
b)
black hole material
c)
gold
d)
silver
17.
Mirrors are backed with ______ materials so that they can reflect light back to the person or object.
a)
dull
b)
highly polished
c)
clear
d)
white
18.
When sunlight is turned into electricity the process is called _________.
a)
photosynthesis
b)
absorbtion
c)
lamination
d)
photoelectric/photovoltaic
19.
Old school technology that was used to make light bulbs_______.
a)
Incandescence
b)
LED
c)
CFL
d)
Flourescence
20.
If you were to take away red light from a tomato by covering it with green saran wrap, the tomato would look what color?
a)
fucia
b)
purple
c)
white
d)
black
21.
The concept of what one person sees being different from what another person might see is called ________.
a)
perception
b)
wandering
c)
hypnosis
d)
physics
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