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WorksheetsLife Cycle of a Star
Total questions: 18
Worksheet time: 11mins
Name
Class
Date
1.
The stable period of a star’s life cycle is called...
a)
The birth of a star
b)
Nebula
c)
Neutron star
d)
Main Sequence
2.
Gravity pulls gases and dust particles in space toward one another, squeezing them into a smaller and smaller space. The temperature at the center rises high enough for nuclear fusion of hydrogen to begin.
What stage in a stars life cycle is this describing?
What stage in a stars life cycle is this describing?
a)
The birth of a star
b)
The death of a star
c)
Black Hole
d)
Stellar Nebula
3.
Hotter stars appear to be what color?
a)
Red
b)
Blue
c)
Yellow
d)
Green
4.
Cooler stars appear to be what color?
a)
Red
b)
Blue
c)
Yellow
d)
Green
5.
What determines the color of a star?
a)
It's size
b)
It's temperature
c)
It's composition
d)
They are all the same color
6.
A star at the stage in its life cycle when it stops burning hydrogen, begins burning helium, and expands to a large, low-density star.
What stage in the life cycle does this describe?
What stage in the life cycle does this describe?
a)
Supernova
b)
Black Hole
c)
Main Sequence
d)
Red Giant or Red Supergiant
7.
What fuel do stars use?
a)
Oxygen
b)
Hydrogen
c)
Carbon
d)
Iron
8.
In a large mass star, the temperature reaches more than 100 billion degrees. The repulsive forces between the iron nuclei explode the star’s mass into space in a ....
a)
Nebula
b)
Black Hole
c)
Supernova
d)
Neutron star
9.
Larger stars (stars with more mass) have a longer life cycle.
a)
True
b)
False
10.
A relatively small, dense star at the end of its life cycle, which generates little or no energy and has contracted to its densest state.
What stage in the life cycle does this describe?
What stage in the life cycle does this describe?
a)
Black Hole
b)
Nebula
c)
White Dwarf
d)
Red Giant
11.
At what stage in a stars life cycle are elements heavier than iron form?
a)
Red Giant
b)
Supernova
c)
Black Hole
d)
Main Sequence
12.
A large cloud of gas and dust in outer space ejected by an aging star near the end of its life cycle.
What stage in the life cycle is this describing?
What stage in the life cycle is this describing?
a)
Main Sequence
b)
Planetary Nebula
c)
Black Hole
d)
Neutron Star
13.
what stage of the life cycle of a star is this?
a)
Planetary Nebula
b)
Black Hole
c)
Neutron Star
d)
Giant/Supergiant
14.
The remains from its supernova will form a rapidly spinning, highly magnetic star called a...
a)
Neutron star
b)
Black Hole
c)
White Dwarf
d)
Supernova
15.
What stage of the life cycle of a star is this?
a)
Main Sequence
b)
Red Giant
c)
Black Hole
d)
Neutron star
16.
In the death of a large mass star gravitational collapse is so complete that no energy or matter can escape. This is called a...
a)
Neutron Star
b)
Black Hole
c)
Black Dwarf
d)
Supernova
17.
What stage in a stars life cycle is this?
a)
Main Sequence
b)
Planetary Nebula
c)
Supernova
d)
Neutron Star
18.
This is an image of the formation of a star, also known as a ....
a)
Main Sequence
b)
Planetary Nebula
c)
Supernova
d)
Stellar Nebula
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