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Worksheets8th 3.5 lives of stars
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
When is a star born?
a)
when the nebula starts spinning
b)
nuclear fusion starts
c)
when gas and dust starts to contract
d)
when x rays get emitted
2.
What forms from the leftover material from a supernova; it may contain as much as three times the mass of the sun.
a)
black hole
b)
white dwarf
c)
neutron star
d)
protostar
3.
A pulsar is a spinning?
a)
neutron star
b)
black hole
c)
white dwarf
d)
supernova
4.
Since no electromagnetic radiation escapes from _________, astronomers locate them by looking for X-rays from gas accelerating toward them.
a)
nebula
b)
supernovas
c)
red giants
d)
black holes
5.
A is a large cloud of gas and dust in space.
a)
nebula
b)
star
c)
white dwarf
d)
black hole
6.
A appears to emit regular bursts of radio waves
a)
neutron star
b)
nebula
c)
pulsar
d)
prostar
7.
A star’s determines the life cycle of a star
a)
mass
b)
weight
c)
brightness
8.
An explosion that occurs at the end of a massive star’s life is a
a)
black hole
b)
supernova
c)
white dwarf
d)
nebula
9.
Which progression do astronomers expect our sun to follow as it runs out of fuel?
a)
red giant, white dwarf
b)
red giant, neutron star
c)
supergiant, supernova, white dwarf
d)
supergiant, supernova, black hole
10.
A low- or medium-mass star becomes a is at the end of its life.
a)
nebula
b)
black hole
c)
white dwarf
d)
supernova
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