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WorksheetsH-R Diagram Quiz
Total questions: 18
Worksheet time: 17mins
Name
Class
Date
1.
In the diagram given, what happens as we move to the left?
a)
Stars Get Larger
b)
Stars get Colder
c)
Stars get hotter
2.
Which of these stars is hottest?
a)
Red Star
b)
Yellow Star
c)
Orange Star
d)
Blue Star
3.
Which star is the coldest?
a)
Yellow Star
b)
Red Star
c)
Orange Star
d)
Blue Star
4.
Compared to the rest of the stars, our sun is considered...
a)
Extremely Large and Cold
b)
Small with a medium temperature
c)
Medium size with medium temperature
5.
Which category is our Sun located in?
a)
White Dwarfs
b)
Supergiants
c)
Main Sequence
d)
Giants
6.
The category that contains the most stars is...
a)
Main Sequence
b)
Supergiants
c)
Giants
7.
As a whole, Giants are considered hotter than White Dwarfs.
a)
True
b)
False
8.
Red stars are the _____________.
a)
hottest
b)
coolest
c)
biggest
d)
brightest
9.
Blue stars are the _____________.
a)
hottest
b)
coolest
c)
smallest
10.
Look at the H-R diagram. Which star is
sort of cool, dim (not too much light), and red?
sort of cool, dim (not too much light), and red?
a)
Betelguse
b)
Sirius B
c)
Procyon B
d)
Barnard's star
11.
Which star has the lowest temperature?
a)
A
b)
B
c)
C
d)
D
12.
Which spectral class does our star, the sun, belong to?
a)
M
b)
K
c)
G
d)
F
13.
Which star shown below is brightest?
a)
a magnitude -1 star
b)
a magnitude 1 star
c)
a magnitude 2 star
d)
a magnitude 3 star
14.
What is the correct order of spectral class - from hottest to coolest?
a)
B F G K O A M
b)
O B A F G K M
c)
M K G F A B O
15.
A, D, and E are all on the main sequence. What are they fusing in their cores?
a)
H into He
b)
H and He into Li
c)
He into C
16.
What small, hot, faint objects are found at B?
a)
neutron stars
b)
black holes
c)
white dwarfs
d)
brown dwarfs
17.
What objects are found at C?
a)
Blue giants
b)
Red giants
c)
White dwarfs
d)
Main sequence stars
18.
The HR Diagram shows a relationship of a star's surface temperature and its
a)
color
b)
size
c)
apparent magnitude
d)
absolute magnitude
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