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WorksheetsHR Diagram and Stars and Galaxies
Total questions: 15
Worksheet time: 16mins
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 star is the coldest?
a)
Yellow Star
b)
Red Star
c)
Orange Star
d)
Blue Star
3.
The category that contains the most stars is...
a)
Main Sequence
b)
Supergiants
c)
Giants
4.
Which category is our Sun located in?
a)
White Dwarfs
b)
Supergiants
c)
Main Sequence
d)
Giants
5.
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
6.
As a whole, Giants are considered hotter than White Dwarfs.
a)
True
b)
False
7.
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
8.
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
9.
Hotter stars appear to be what color?
a)
Red
b)
Blue
c)
Yellow
d)
Green
10.
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
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.
The big bang theory explains the...
a)
Life cycle of a star
b)
Seasons of the earth
c)
origin of the universe
d)
Sheldon...just sheldon
13.
The universe is ____ billion years old.
a)
11
b)
14
c)
4
d)
23
14.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
15.
What type of galaxy has no defined pattern or shape?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Constellation
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