sci151r2week2worksheet - as believed, why are most rocks...

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SCI 151 Astronomy University of Phoenix Material Week Two Content Questions Worksheet Using the assigned readings for Week Two, prepare a 50 to 75-word response to each of the following questions. Be sure to include the questions with your responses. Your responses will be assessed according to the accuracy of the content. How would you determine the age of rocks by radioactivity? Give an example. How can scientists determine the internal structure of the Earth if the depth of the deepest well is only a tiny fraction of the Earth’s diameter? Impact cratering, volcanism, tectonics, and erosion are the four major processes that affect planetary surfaces. How would you describe two of these processes? If the ages of the Earth and Moon are nearly identical,
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Unformatted text preview: as believed, why are most rocks found on the Moon so much older than Earth rocks? What do observations of the Moon suggest about its origin? Which is hotter, Mercury or Venus? Why? Venus and Earth are about the same size and mass, yet carbon dioxide is a major constituent of the atmosphere of Venus although oxygen is much more abundant in the Earth’s atmosphere. Why are the atmospheres so different? Why are there are two general families of planets – rocky terrestrial and gaseous jovian? The first planets discovered since ancient times were Uranus and Neptune. How were they discovered? What knowledge do comets and asteroids provide to studies of the origin of the solar system? Page 1 of 1 SCI151r2...
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This note was uploaded on 04/07/2010 for the course SCI 151 taught by Professor Jackson during the Fall '09 term at University of Phoenix.

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