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Universe, galaxies, HR diagram

Total questions: 19

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 star is the coldest?
a)
Yellow Star
b)
Red Star
c)
Orange Star
d)
Blue Star
3.
Which category is our Sun located in?
a)
White Dwarfs
b)
Supergiants
c)
Main Sequence
d)
Giants
4.
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 
5.
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
6.

The universe is about ____ billion years old.

a)

11

b)

14

c)

4

d)

23

7.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular 
d)
Irrational
8.
What type of galaxy has no defined pattern or shape?
a)
Spiral 
b)
Elliptical
c)
Irregular
d)
Constellation
9.
According to Hubble's law, the farther away a galaxy is:
a)
the faster it is moving toward us
b)
the slower it is moving toward us
c)
the slower it is moving away from us
d)
the faster it is moving away from us
10.

What is the order of celestial bodies from smallest to biggest?

a)

Planets --> Solar System --> Galaxy --> Universe

b)

Planets --> Galaxy --> Solar System --> Universe

c)

Solar System --> Galaxy--> Planets --> Universe

d)

Universe --> Galaxy -->Solar System -->Planets

11.

Which galaxy is the most abundant?

a)

Spiral

b)

Elliptical

c)

Irregular

d)

Regular

12.

Which type of galaxy do we live in?

(picture from scoopnest.com)

a)

Spiral

b)

Elliptical

c)

Irregular

13.

What is the name of our galaxy?

a)

Pinwheel

b)

3 Muskateers

c)

Milky Way

d)

Dusty

14.
What type of galaxy is shown in this image?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
15.
What are the the 3 types of galaxies?
a)
Spiral, Regular, and Elliptical 
b)
Spiral, Irregular, and Elliptical 
c)
 Milky Way, Elliptical, and Spiral 
d)
Milky Way, Elliptical, and Irregular 
16.
The HR diagram shows that main-sequence stars
a)
are mostly hot and dim
b)
are mostly cool and bright
c)
increase in brightness as they increase in temperature
d)
decrease in brightness as they increase in temperature
17.
The illustration provided shows four locations in or near the Milky Way Galaxy. Which of the labeled locations shows the approximate position of the Sun?
a)
W
b)
X
c)
Y
d)
Z
18.

Which statement is true?

a)

The galaxies are moving toward us.

b)

The galaxies are moving away from us.

c)

The universe remains static or unchanged in motion.

d)

None of the above

19.

Use the Hertzsprung Russell Diagram to answer the following questions. A star that is several thousand time dimmer than the sun with a temperature higher than 6,000oC and is white.

a)

Betelgeuse

b)

Deneb

c)

Sirius B

d)

Barnard's Star

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