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Dr. Monkiewicz: FallAST 111 onlineExam 2 Study Guide—Part BCHAPTER 19:Structure of theEarth:Definitions!What is/are:MantleCoreCrustPlatetectonicsDynamoeffectSolarwind Bowshock OzonelayerVanAllen beltsSeismic waves (PL or SL)What iscomparative planetology? What can we learn from it?Why is the size of a planet so critical to the evolution of its surface properties,atmosphere, andpotential for hosting life?Formation of the Earth:Can you put these steps in order?oSlow erosion & continental driftoBasin flooding (lava or water)oBombardment/crateringoDifferentiation
How much of the Earth’s surface is covered by water? How does this comparewith otherplanets in the Solar System?What features set Earth apart from every other planet in the Solar System?(Answers at end ofthis Chapter section)Interior of Earth, and Magnetic Field:
Dr. Monkiewicz: FallWhat does the P and S in “PLwaves” and “SLwaves” stand for? How are theydifferent? How dothey travel differently through the Earth, and what doesthis tell us about Earth’s interior?Is the Earth’s mantle solid or liquid? What about its core?
What is the mantle made of? What is the Earth’s core made of? What isthe crust made of?How does this relate to density and the process ofdifferentiation early in Earth’s formation?Where is Earth’s magnetic field generated?Explain thedynamo effectin your own words. After comparing with Venus &Mars (& the Moon& Mercury), what conditions are required to have adynamo effect (and a magnetic field)?What does the Earth’s magnetic field protectus from?What causes aurorae at the North& South pole?Tectonics and geological features of Earth:Definitions! Whatis/are:SubductionzoneVolcanismOutgassingRiftingHot SpotRing ofFireSubduction zoneWhat are plate tectonics doing to the Pacific Ocean? What are they doingto the AtlanticOcean?Where is the Ring of Fire? What is it, andwhat causes it? What is a hot spot? Give anexample.What is rifting? Give an example.Why does Earth have so few impact craters compared to all of the otherterrestrial worlds?
What are the two major processes of erosion on Earth? Do any other terrestrialplanets haveeither of these process?Atmospheric processes on EarthWhere did Earth’s atmosphere originally come from?What is the prime constituent gas (currently) in Earth’s atmosphere? Whatare some othermajor gases in our atmosphere, and what is theirsignificance for life?

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Term
Fall
Professor
STARRFIELD
Tags
Atmosphere, Magnetic Field

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