WorksheetsThe Power of the Sun
Total questions: 10
Worksheet time: 9mins
Name
Class
Date
1.
Mass can be converted into energy.
a)
True
b)
False
2.
Nuclear fission and nuclear fusion are both
a)
Processes that involve the nucleus of an atom
b)
Processes that happen at nuclear power plants
c)
Processes that happen in the human body
d)
Processes that involve the electrons of an atom
3.
The splitting of a nucleus into smaller nuclei is
a)
fusion
b)
fission
c)
half-life
d)
gamma radiation
4.
Two nuclei with low masses are combined to form one nucleus of larger mass is called what?
a)
Nuclear fission
b)
Nuclear fusion
c)
Nuclear half-life
d)
Half-life
5.
How long does it take the Sun's energy to reach Earth, once it is emitted from the photosphere?
a)
100,000 years
b)
24 hours
c)
28 days
d)
8 minutes
6.
Energy in stars, including our Sun, is produced by
a)
nuclear fission
b)
nuclear fusion
c)
burning gases
7.
Radioactive decay is the same as nuclear fission and nuclear fusion
a)
True
b)
False
8.
Radioactive decay, nuclear fusion, and nuclear fission are all reactions involving atomic nuclei
a)
True
b)
False
9.
Most ultraviolet waves are blocked from entering Earth's atmosphere by the
a)
magnetic field.
b)
thermosphere.
c)
ozone layer.
d)
stratosphere.
10.
The Earth uses _______ to protect itself from harmful radiation from space
a)
its atmosphere and magnetic field
b)
solar panels
c)
plasma
d)
its ultraviolet and infrared light
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