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WorksheetsStellar Evolution-Part 1 Pre-Quiz
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Luminosity measures _____
a)
the size of a star
b)
the energy given off by a star
c)
the color of a star
d)
the age of a star
2.
Apparent magnitude compares star _____ based on what we see.
a)
sizes
b)
distances
c)
ages
d)
brightnesses
3.
Absolute magnitude compares star brightness if every star was the same distance away from us.
a)
True
b)
False
4.
Spectral classification shows how a star's __________ and __________ are related.
a)
color and luminosity
b)
temperature and luminosity
c)
size and luminosity
d)
color and temperature
5.
Most stars are identified as ___________ on an H-R Diagram?
a)
Supergiants
b)
Giants
c)
Main Sequence
d)
White Dwarf
6.
Stars form in areas called __________.
a)
star farms
b)
planetary nebula
c)
stellar nebula
d)
nova
7.
A _________ is almost a star. It still needs to reach the temperature needed for hydrogen to form helium.
a)
protostar
b)
baby star
c)
star child
d)
nova
8.
Once a star reaches the correct temperature for nuclear fusion to occur fusing 2 H to for 1 He, energy is released in the form of ________.
a)
heat
b)
gas
c)
light
d)
heat and light
9.
Once a star uses up all of its _________, the star will begin to go into its death phase.
a)
light
b)
heat
c)
energy
d)
hydrogen
10.
What determines if a star becomes a giant or a supergiant?
a)
star size
b)
star temperature
c)
star color
d)
star luminosity
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