Earth Science Study Guide: Earth's Layers, Plate Tectonics, Earthquakes, and Volcanoes
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Flashcards covering Earth's layers, types of crust, and related geological concepts.
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1
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What are the four main layers of Earth?
Crust, mantle, outer core, inner core.
2
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Which layer is made of solid rock and forms Earth's outer shell?
The crust.
3
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Which layer is made of hot, liquid rock?
The mantle (specifically, magma within the mantle).
4
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Which two layers are made of iron and nickel?
Outer core and inner core.
5
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What makes the inner core solid while the outer core is liquid?
The inner core is under high pressure, causing it to solidify.
6
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What are the two types of crust?
Continental crust and oceanic crust.
7
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What type of rock is continental crust mostly made of?
Granite.
8
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What type of rock is oceanic crust mostly made of?
Basalt.
Note 
Flashcards (33)