WorksheetsThe Universe - Review
Total questions: 34
Worksheet time: 1hrs 12mins
Name
Class
Date
1.
What is the name of the explosion at the death of a massive star?
a)
Supergiant
b)
Supernova
c)
Black Hole
d)
Nebula
2.
Very massive stars eventually collapse into what final star remnant?
a)
Neutron stars
b)
Black holes
c)
White dwarfs
d)
Protostars
3.
H-R diagrams measure both a star's ______ and _______.
a)
mass and color
b)
absolute magnitude and tempurature
c)
brightness and composition
d)
location and type
4.
Very hot stars are what color?
a)
Blue
b)
Yellow
c)
Red
d)
Orange
5.
Our sun is in what stage?
a)
planetary nebula
b)
protostar
c)
main sequence
d)
red giant
6.
What happens to an electromagnetic wave as the frequency decreases?
TEK 8.8C
TEK 8.8C
a)
energy increases and wavelength gets shorter
b)
energy decreases and wavelength gets shorter
c)
energy increases and wavelength gets longer
d)
energy decreases and wavelength gets longer
7.
If a star is being observed from Earth and it's light has shifted towards the red side of the electromagnetic spectrum it would be...
a)
Moving towards the Earth
b)
Moving away from the Earth
c)
This is a trick question that cannot be answered
d)
It isn't a star, it is a very large blueberry.
8.
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
9.
With the use of the Hubble Telescope, scientists recently discovered a giant runaway star. It is 90 times bigger than the sun and is not very hot and red in color. It is also a very bright star, how come from Earth it does not seem as bright as the sun?
a)
the sun is different color than the runaway star
b)
the sun is older than the runaway star
c)
the sun is closer to earth than the runaway star
d)
the sun is made of different elements than the runaway star
10.
Which of these observations of Proxima Centuri's Star is most likely accurate?
a)
Proxima Centuri's Star is less bright than the sun and has a surface temperature below 3,400 K
b)
Proxima Centuri's Star is less bright than the sun and has a surface temperature above 3,400 K
c)
Proxima Centuri's Star is brighter than the sun and has a surface temperature below 4,000 K
d)
Proxima Centuri's Star is brighter than the sun and has a surface temperature above 4,000 K
11.
A _____ is a sphere of matter, body made of gas, held together by gravity and with a temperature great enough to generate light by a nuclear reaction.
a)
star
b)
galaxy
c)
nebula
d)
black hole
12.
Which of the following list the correct order of the life cycle of massive stars?
a)
Nebula --> protostar --> main sequence --> red supergiant --> supernova --> blackhole
b)
Nebula --> protostar --> main sequence --> red giant --> planetary nebula --> white dwarf --> black dwarf
c)
Nebula --> protostar --> main sequence --> supernova --> red giant --> blackhole
d)
Nebula --> protostar --> blackhole --> red supergiant --> supernova --> main sequence
13.
Why does the sun look bigger and brighter than other stars?
a)
It is the furthest star from Earth
b)
It is next to the Earth
c)
It is the nearest star to Earth
d)
It is behind the Earth
14.
The vast majority of galaxies in our universe are moving away from us and indicating that the Universe is expanding. We know this because we observe __________ in the galaxies absorption spectra.
a)
Redshift
b)
Blueshift
c)
Turbulance
d)
Superposition
15.
Gravity is the force objects put on each other because of their ______.
a)
Mass
b)
Friendliness
c)
Acceleration
d)
Speed
16.
As distance between two objects increase the pull of gravity
a)
Increases
b)
Decreases
c)
Stays the same
17.
What can you tell about this object's motion?
a)
Moving to the North (up).
b)
Moving to the South (down).
c)
Moving to the West (left).
d)
Moving to the East (right).
18.
What do the light waves of a galaxy that is moving TOWARD us look like?
a)
red shifted
b)
blue shifted
c)
green shifted
d)
yellow shifted
19.
What do the light waves of a galaxy that is moving AWAY from us look like?
a)
red shifted
b)
blue shifted
c)
green shifted
d)
yellow shifted
20.
How does the Big Bang Theory explain observations of the Doppler effect in the universe?
a)
Galaxies make lots of sound waves.
b)
Galaxies are blue shifted and moving toward us.
c)
Galaxies are redshifted and moving away from us.
d)
No connection. Light waves aren't visible in the universe.
21.
If a star is being observed from Earth and it's light has shifted towards the blue side of the electromagnetic spectrum it would be...
a)
Moving towards the Earth
b)
Moving away from the Earth
c)
This is a trick question that cannot be answered
d)
It isn't a star, it is a very large blueberry.
22.
Use the image to identify the motion of the object relative to Earth. Compare the absorption spectra of the star to what the star would look like if it were not moving at all relative to Earth.
a)
It is not moving
b)
It is moving away from Earth (Redshift)
c)
It is moving towards Earth (Blueshift)
d)
It is moving towards Earth (Redshift)
23.
Use the image to identify the motion of the object relative to Earth. Compare the absorption spectra of the star to what the star would look like if it were not moving at all relative to Earth.
a)
It is not moving relative to Earth
b)
It is moving away from Earth (Redshift)
c)
It is moving towards Earth (Blueshift)
d)
It is moving towards Earth (Redshift)
24.
Use the image to identify the motion of the object relative to Earth. Compare the absorption spectra of the star to what the star would look like if it were not moving at all relative to Earth.
a)
It is not moving relative to Earth
b)
It is moving away from Earth (Redshift)
c)
It is moving towards Earth (Blueshift)
d)
It is moving towards Earth (Redshift)
25.
An object that is moving VERY fast towards the Earth would have ________ than an object that is moving very slow towards the Earth.
a)
More Redshift
b)
More Blueshift
c)
Less Redshift
d)
Less Blueshift
26.
When redshift occurs, the perceived frequency of the wave would...
a)
Increase
b)
Decrease
c)
Stay the same
d)
Make bird sounds
27.
When redshift occurs, the perceived WAVELENGTH of the wave would...
a)
Increase
b)
Decrease
c)
Stay the same
d)
Make squirrell sounds
28.
When blueshift occurs, the perceived frequency of the wave would...
a)
Increase
b)
Decrease
c)
Stay the same
d)
Make duck sounds
29.
When blueshift occurs, the perceived WAVELENGTH of the wave would...
a)
Increase
b)
Decrease
c)
Stay the same
d)
Make frog sounds
30.
Which of the following is evidence of the Big Bang Theory?
a)
Cavemen heard a loud bang at the beginning of time.
b)
The universe isn't moving
c)
The universe is expanding
d)
The universe is getting smaller
31.
What can we conclude from the observation that nearly all galaxies are moving away from us?
a)
Massive black holes are drawing galaxies away from Earth.
b)
The Sun and Earth are located at the center of the universe.
c)
Everything in the universe is moving the same direction.
d)
The once-smaller universe is expanding in all directions.
32.
All elements heavier than carbon were formed in supernova explosions.
a)
True
b)
False
33.
Low-mass stars like our Sun will never explode.
a)
True
b)
False
34.
Process by which many nuclei (the centers of atoms) combine to make larger one (which is a different element). The result of this process is the release of a lot of energy.
a)
Nebula
b)
Nuclear Fission
c)
Nuclear Fusion
d)
Pulsar
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