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Date Submitted: 09/04/2016 12:48 AM
SCIN 134 Final Exam Answers All Possible Questions
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Question 1 of 36
2.0 Points
A star that is spectral class A is hotter than a star of spectral class O.
True
False
Question 2 of 36
2.0 Points
It can take hundreds of billions of years for a red dwarf to convert all of its hydrogen completely to helium.
True
False
Question 3 of 36
2.0 Points
Red stars are relatively “cold”, with low surface temperatures.
True
False
Question 4 of 36
2.0 Points
A white dwarf is approximately the same size as the Earth.
True
False
Question 5 of 36
2.0 Points
Fusion only occurs on the surface of the Sun.
True
False
Question 6 of 36
2.0 Points
In the conversion from hydrogen to helium, four protons are converted to one helium nucleus.
True
False
Question 7 of 36
2.0 Points
Occam’s razor is the idea that the most simple and most straightforward explanation of observations in nature is most likely to be the correct one.
True
False
Question 8 of 36
2.0 Points
Sunspots are dark because they are hotter than the surrounding material on the Sun.
True
False
Question 9 of 36
2.0 Points
All of the terrestrial planets have plate tectonics with converging and spreading plates similar to Earth’s.
True
False
Question 10 of 36
2.0 Points
Red stars are hot and blue stars are cold.
True
False
Question 11 of 36
2.0 Points
The Galaxy rotates like a solid disk, like a CD or DVD.
True
False
Question 12 of 36
2.0 Points
Evidence suggests...