Astronomy 105- Chapter 7 Practice Exam Questions & Answers.
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Astronomy
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Astronomy
Astronomy 105- Chapter 7 Practice Exam Questions & Answers.
Shown below are the four terrestrial planets of our solar system. Assume that all the planets started out equally hot inside. Rank the planets based on their expected cooling rates, from fastest cooling to slowest cooling - CORRECT ANSW...
Astronomy 105- Chapter 7 Practice
Exam Questions & Answers.
Shown below are the four terrestrial planets of our solar system. Assume that all the planets started out
equally hot inside. Rank the planets based on their expected cooling rates, from fastest cooling to
slowest cooling - CORRECT ANSWER Fastest to Slowest: Mercury, Mars, Venus, Earth
Shown following are three terrestrial planets of our solar system. Rank the planets based on the amount
of time the surface of the planet has had a moderate to high level of volcanic/tectonic activity, from
longest to shortest. - CORRECT ANSWER Earth, Mars, Mercury
Which heat source continues to contribute to Earth's internal heat? - CORRECT ANSWER Radioactive
Decay
In general, what kind of terrestrial planet would you expect to have the thickest lithosphere? - CORRECT
ANSWER A small planet
Which of a planet's fundamental properties has the greatest effect on its level of volcanic and tectonic
activity? - CORRECT ANSWER size
What do we conclude if a planet has few impact craters of any size? - CORRECT ANSWER Other
geological processes have wiped out craters.
How many of the five terrestrial worlds are considered "geologically dead"? - CORRECT ANSWER Two
Assuming that features you see on Mars are similar to features found on Earth, what would a casual
inspection of the interactive photo of Mars lead you to suspect about water on Mars? - CORRECT
ANSWER Surface water only exists as frozen ice
Which of the following Mars surface features provides dramatic evidence that volcanism has played a
role in shaping the surface of Mars? - CORRECT ANSWER Olympus Mons
, When you zoom in on the section labeled "Southern Highlands," which geologic processes are most
clearly evident? - CORRECT ANSWER impact cratering and erosion
Which of the following is a strong greenhouse gas? - CORRECT ANSWER Water vapor
Which describes our understanding of flowing water on Mars? - CORRECT ANSWER It was important
once, but no longer.
The following images show the four terrestrial planets in our solar system. Rank these planets from left
to right based on the atmospheric pressure at the surface, from highest to lowest. - CORRECT ANSWER
Venus, Earth, Mars, Mercury
The following images show the four terrestrial planets in our solar system. Rank these planets from left
to right based on the total amount of gas in their atmospheres, from most to least. - CORRECT ANSWER
Venus, Earth, Mars, Mercury
The following images show four types (wavelengths) of light. Rank these from left to right based on the
amount of each that is emitted (as thermal radiation) by Earth's surface, from greatest to least. If you
think that two (or more) types should be ranked as equal, drag one on top of the other(s) to show this
equality. - CORRECT ANSWER Infrared [Greatest], Visible, X-Ray, & Ultraviolet Light [All least]
In Part A, you found that Earth emits only infrared light. This infrared light can be absorbed by
greenhouse gases, such as carbon dioxide and water vapor, in the atmosphere. In fact, all the terrestrial
planets emit infrared light from their surfaces. The following images show the four terrestrial planets in
our solar system. Rank these planets from left to right based on the total amount of infrared-absorbing
greenhouse gases in their atmospheres, from greatest to least. - CORRECT ANSWER Venus, Earth, Mars,
Mercury
The following images show the four terrestrial planets in our solar system. Rank the planets from left to
right based on the strength of the greenhouse effect occurring at their surfaces, from strongest to
weakest - CORRECT ANSWER Venus, Earth, Mars Mercury
The following images show the four terrestrial planets in our solar system. Rank the planets from left to
right based on the amount by which the greenhouse effect increases their surface temperatures,
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