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WorksheetsLight Energy
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
Transparent objects let ___________________through.
a)
some light
b)
almost all light
c)
no light
d)
natural light
2.
Opaque objects let _____________ through
a)
no light
b)
almost all light
c)
some light
d)
human-made
3.
Translucent objects let __________ through.
a)
almost all light
b)
no light
c)
some light
d)
bright
4.
_____________ are an example of human-made light.
a)
Glowworms
b)
Stars
c)
Light bulbs
d)
Fireflies
5.
Light changes speed depending on what medium it travels through. What does medium mean?
a)
water
b)
radiation
c)
spectrum
d)
substance
6.
When light is refracted, it means it _________.
a)
stops
b)
bends
c)
fades
d)
makes sound
7.
Light enters the eye through the ____________.
a)
pupil
b)
iris
c)
retina
d)
optic nerve
8.
Light is ___________ energy.
a)
sound
b)
nuclear
c)
radiant
d)
liquid
9.
Light can move though _______________.
a)
water
b)
air
c)
space
d)
all of the above
10.
An example of natural light are ________.
a)
florescent light bulbs
b)
stars
c)
incandescent light bulbs
d)
lasers
11.
The longer a wavelength is, the ________ energy it has.
a)
less
b)
more
12.
The shorter a wavelength is, the _________ energy it has.
a)
less
b)
more
13.
High-frequency wavelengths happen more often which means they have ________ energy.
a)
more
b)
less
14.
Low-frequency wavelengths happen more often which means they have ________ energy.
a)
more
b)
less
15.
If we compare colors of light, the color ______ has the most energy.
a)
yellow
b)
green
c)
red
d)
violet
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