Geology "The Interior of the Earth" Reading and Questions: Due Block Day, 9/24 or 9/25/14
Please read "The Interior of the Earth" handout that is linked from the class website and linked below. Answer the questions that follow.

http://pubs.usgs.gov/gip/interior/

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Last Name, First Name *
Period (Do not put nd, rd, or th after the number. Put ONLY the number!) *
Our current information about the materials inside of the Earth come from *
Which layer of Earth occupies 84% of Earth's volume? *
Although this layer only constitutes 1% of Earth's volume, it will constitute the majority of our studies in Geology this semester. *
Look at Figure 1 and the accompanying text. What are the major differences between continental crust and oceanic crust? *
Where do the majority of earthquakes and volcanoes occur? *
Approximately how many lithospheric plates make up Earth's crust and upper mantle? *
What is the Moho (Mohorovicic discontinuity) and how do downward seismic waves behave at this boundary? *
What is the deepest that humans have ever drilled into the Earth? *
Look at the diagram in Figure 2. Why do earthquake wave paths curve as they go deeper in the Earth? *
Look at "Data on the Earth's Interior." How does the chemistry of Earth change as you go deeper in to the planet? *
Why is the outer core of our planet probably the most important layer with respect to allowing life to take hold on our planet? *
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