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WorksheetsLife Cycle of a Star
Total questions: 16
Worksheet time: 8mins
Name
Class
Date
1.
What is the correct order for the life cycle of our star the sun?
a)
nebula, fusion stage, red giant, black dwarf, white dwarf,
b)
nebula, fusion stage, red giant, white dwarf, black dwarf
c)
nebula, fusion stage, super red giant, black dwarf, white dwarf,
d)
nebula, fusion stage, red giant, super nova, black hole
2.
What is the next phase for the sun?
a)
Blue Giant
b)
Super Blue Giant
c)
Super Red Giant
d)
Red Giant
3.
What is the largest factor that determines the life span of a star?
a)
distance star starts with
b)
mass of hydrogen star starts with
c)
age of star
d)
elements the star starts with
4.
Where does the sun's energy originate?
a)
Nuclear reactions of heavy elements.
b)
Nuclear fusion of smaller into larger elements.
c)
Nuclear reactions of cells
d)
Nuclear fission reactions
5.
What is the location of fusion in a star?
a)
in the cloud
b)
on the surface
c)
in the core
d)
in the red cloud
6.
What produces star light?
a)
Fission
b)
fusion
c)
supernovae
d)
inertia and gravity
7.
When does a star start to glow?
a)
Nuclear fusion starts
b)
Nuclear fission starts
c)
Nucleus generates ions
d)
Electrical fusion starts
8.
Stars can take different paths due to having different _____________
a)
temperature
b)
mass
c)
brightness
d)
color
9.
All stars start as gas and dust in a(n)
a)
nebula
b)
black hole
c)
red giant
d)
black dwarf
10.
After the main sequence, a low mass star becomes a
a)
black dwarf
b)
protostar
c)
red giant
d)
supergiant
11.
The final stage of a low mass star is a
a)
neutron star
b)
nebula
c)
black hole
d)
black dwarf
12.
After a supergiant, a high mass star explodes and forms a
a)
supernova
b)
red giant
c)
black hole
d)
planetary nebula
13.
A high mass star can end as this stage, which is so dense that not even light can escape!
a)
black dwarf
b)
white dwarf
c)
supernova
d)
black hole
14.
What stage fills in the blank. Nebula --> Main sequence --> red giant --> ______________ --> white dwarf --> black dwaft
a)
supergiant
b)
planetary nebula
c)
black hole
d)
supernova
15.
When a nebula heats up, a "baby" star forms in the middle. It is called a
a)
supernova
b)
supergiant
c)
white dwarf
d)
protostar
16.
Which of the following is NOT a final stage of a star.
a)
black hole
b)
black dwarf
c)
neutron star
d)
red giant
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