Worksheetslife cycle of stars
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
After a supernova, if the core is massive enough it can collapse into a...
a)
Black Hole
b)
White Dwarf
c)
Brown Dwarf
d)
Black Dwarf
2.
What is a large celestial body that is composed of gas and emits light?
a)
Nebula
b)
Star
c)
Galaxy
d)
Planet
3.
The most common elements stars are made of...
a)
Iron & Carbon
b)
Gold & Zinc
c)
Hydrogen & Helium
d)
Fire and Ice
4.
A star is born when it begins...
a)
nuclear fusion
b)
nuclear abrasion
c)
chemical reaction
d)
nuclear fission
5.
Mass of a star determines how long it "lives".
a)
True
b)
False
6.
How do main sequence stars like the sun make their energy?
a)
fusion of hydrogen into helium
b)
fission of hydrogen into helium
c)
fusion of helium into hydrogen
d)
fission of helium into hydrogen
7.
Stars are born in
a)
the big bang
b)
black holes
c)
protoplanetary disks
d)
nebulae
8.
True or False: All stars will eventually become a black hole
a)
True
b)
False
9.
When a supergiant runs out of fuel for fusion it will collapse in on itself and explode in a ....
a)
big bang
b)
black hole
c)
nebula
d)
supernova
10.
After a supernova explosion, if the core leftover is very massive it will become a ...
a)
black hole
b)
white dwarf
c)
neutron star
d)
supergiant
11.
A neutron star is an extremely dense ball of neutrons.
a)
true
b)
false
12.
Carbon and helium combine during nuclear fusion to form hydrogen.
a)
true
b)
false
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