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Stars And The Big Bang Theory
Test Description: Stars and the Big Bang Theory
Instructions: Answer all questions to get your test result.
1) Which is evidence that the universe began with an explosion?
A
Nuclear fusion
B
distance to the asteroid belt
C
luminosity of stars
D
Measurements of cosmic microwave background radiation
2) Scientists infer that the universe began approximately
A
8.2 billion years ago
B
3.3 billion years ago
C
1.0 billion years ago
D
13.8 billion years ago
3) The red shifting of light from distance galaxies is evidence that supports
A
the wavelength of light if getting longer and the star is moving toward Earth.
B
the wavelength of light if getting shorter and the star is moving toward Earth.
C
the wavelength of light if getting longer and the star is moving away from Earth.
D
the wavelength of light if getting shorter and the star is moving away from Earth.
4) Which process produces the largest amount of energy given off by stars?
A
radioactive decay of lighter elements into heavier elements
B
nuclear fusion of lighter elements into heavier elements
C
radioactive decay of heavier elements into lighter elements
D
nuclear fusion of heavier elements into lighter elements
5) The _____ of a star primarily determines whether a giant star or a supergiant star will form
A
luminosity
B
distance from the center of the galaxy
C
mass
D
color
6) What force causes clouds of dust and gas to come together to form a protostar?
A
expansion of matter
B
cosmic background radiation
C
gravitational attraction
D
magnetism
7) Another galaxy has a recession velocity of 18,000 kilometers per second. What is this galaxy’s approximate distance from Earth in million light years if it follows the same pattern shown on the data table?
A
1206
B
509
C
3217
D
2001
8) The Big Bang Theory, describing the creation of the universe, is most directly supported by the
A
apparent shape of star constellations
B
presence of volcanoes on Earth
C
redshift of light from distant galaxies
D
presence of craters on Earth's Moon
9) Which graph best represents the relationship between time to the size of the universe from the beginning to the present?
A
4
B
2
C
3
D
1
10) Which graph best represents the relationship between the size of the universe and the temperature of the universe?
A
2
B
1
C
4
D
3
*select an answer for all questions
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