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15 Cards in this Set
- Front
- Back
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Core |
ball of hot solid metal |
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Outer core |
Liquid metals that surrounds the inner core |
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Mantle |
is less dense near the crust |
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Lithosphere |
Earths crust and the very top of the mantle together form |
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Pangaea |
A once super continent that reached from pole to pole |
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Convection Currents |
The motion of hot, molten rock that continually rises, cools, and falls |
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Transformation boundary |
This boundary occurs where two tectonic plates scrap pat each other |
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Convergent boundary |
Where two tectonic plates push together |
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Divergent boundary |
Where two tectonic plates move apart |
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Subduction |
One tectonic plate sinking under another |
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Mantle |
The thickest layer in earth's layers |
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Crust |
The thinnest of the Earth's layers |
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Crust |
The layer made up tectonic plates |
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Mantle |
The layer that has convection currents |
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The theory of the Continental Drift |
fred wegener, Earth's continents were onced joined as one land mass |
