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Worksheets8.8 a Components of the universe
Total questions: 29
Worksheet time: 21mins
Name
Class
Date
1.
What type of galaxy is this?
a)
Elliptical
b)
Irregular
c)
Spiral
d)
Milky Way
2.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
3.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
4.
Which star is considered a Main Sequence Star?
a)
A
b)
B
c)
C
d)
D
5.
Stars are formed in a large cloud of gas and dust called a
a)
cumulonimbus cloud
b)
nebula
c)
neutron star
d)
black hole
6.
Which star has the lowest temperature?
a)
A
b)
B
c)
C
d)
D
7.
Which star has the lowest luminosity?
a)
A
b)
B
c)
C
d)
D
8.
What is the graph that shows the relations between a star's surface temperature and absolute magnitude?
a)
H-R Diagram
b)
Star Cluster Map
c)
Einstein's Diagram
d)
Newton's Chart of Stars
9.
Space and all the matter and energy in it is...
a)
Universe
b)
Galaxy
c)
Solar System
d)
Ecosystem
10.
In the diagram given, what happens as we move to the left?
a)
Stars Get Larger
b)
Stars get Colder
c)
Stars get hotter
11.
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
12.
Which category is our Sun located in?
a)
White Dwarfs
b)
Supergiants
c)
Main Sequence
d)
Giants
13.
Stars are made mostly of which two elements?
a)
Selenium and sodium
b)
Astatine and arsenic
c)
Chlorine and cesium
d)
Hydrogen and helium
14.
A large celestial body made of gases that emits light due to nuclear reactions is called -
a)
a galaxy
b)
a nebula
c)
a comet
d)
a star
15.
An interstellar cloud of dust and gases that serves as a location for the formation of new stars is -
a)
a meteor
b)
a planet
c)
a galaxy
d)
a nebula
16.
Galaxies are classified into all of the following types by their shapes EXCEPT -
a)
spiral
b)
elliptical
c)
oblong
d)
crescent
17.
The Hertzsprung-Russell diagram is provided, which is used for classifying stars based on the relationship between their brightness and their temperature and color. Regulus belongs in which of the following classifications?
a)
Super Giants
b)
Giants
c)
Main Sequence Stars
d)
White Dwarfs
18.
Which of the following is an accurate description of the relationship between components of the universe?
a)
Stars always contain galaxies
b)
Galaxies contain many stars
c)
Stars contain several nebulae
d)
Nebulae contain many galaxies
19.
A characteristic of a nebula is that it -
a)
is at the center of the solar system
b)
is a region where stars are born
c)
forms halfway through a star's life cycle
d)
has the coolest temperature in space
20.
Composed of millions of stars as well as interstellar gas and dust
a)
Galaxies
b)
Star
c)
Nebulae
d)
Black holes
21.
A large ball of gas that generates energy by fusing hydrogen atoms
a)
Galaxies
b)
Star
c)
Nebule
d)
Black holes
22.
Galaxies are classified into all of the following types by their shapes EXCEPT -
a)
spiral
b)
elliptical
c)
lenticular
d)
crescent
23.
The stars and all the other matter in a galaxy are held together by which of the following?
a)
Dark matter
b)
Inertia
c)
Gravity
d)
Magnetism
24.
The Hertzsprung-Russell diagram, for classifying stars based on the relationship between their brightness and their temperature and color, is provided. In comparison to the Sun, Betelgeuse -
a)
is smaller in diameter
b)
is brighter and hotter
c)
is less bright but hotter
d)
is cooler and brighter
25.
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
26.
All of the stars that can be observed in the night sky, when compared to the Sun are
a)
thousands of times farther away
b)
hundreds of times larger
c)
millions of times more massive
d)
billions of times hotter
27.
How many of the stars visible in the night sky are closer to Earth than to the Sun?
a)
All of them
b)
None of them
c)
About half
d)
Only one
28.
Astronomers can heat elements here on Earth and observe the wavelengths of light, which the elements emit. By then analyzing the light from distant stars, the astronomers can determine what property of these stars?
a)
Average diameter
b)
Distance from Earth
c)
Overall shape
d)
Chemical composition
29.
The spectrum for visible wavelengths emitted by Star X is compared here to the emission spectra of four different elements. According to the spectral analysis data, which element is present in Star X?
a)
Carbon
b)
Helium
c)
Magnesium
d)
Neon
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