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1/22 - comes down • Earth’s interior is HOT • Lower...

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1/22- ES Rebekah Kim Layers on the earth Crust- outer rigid shell of the earth. Mantle- very rigid so it cant move. Plate Tectonics-  the surface of the earth is split in a lot of different places. The  plates move around. The surface of the earth doesn’t stay still. When the plates move,  earthquakes and volcanoes.  In a plate is it only continent or ocean?  A plate is ocean+ continent because of  the boundaries.  Plates are moving far apart. Convection- the way you transfer heat by creating currents. Hot goes up, cold 
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Unformatted text preview: comes down • Earth’s interior is HOT. • Lower mantle is HOT. And light • Mantle is moving under the plates. • • Internal Dynamics of Earth ← Earthquakes happen usually on the boundaries of a continent. ←- continental drift- 1910 by Alfred Wegener. Said continents move around. ←- seafloor spreading ←- plate techtonics ← ← ← 22/01/2009 00:32:00 ← 22/01/2009 00:32:00 ←...
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This note was uploaded on 04/01/2009 for the course ES 105 taught by Professor Kurtz during the Spring '08 term at BU.

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1/22 - comes down • Earth’s interior is HOT • Lower...

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