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Lesson 1
This is the theory that Earth’s surface is
made up of slow-moving plates of land.
plate tectonics
Molten rock beneath the Earth’s
surface (underground).
magma
Magma that is above the Earth’s
surface.
lava
When the Northern Hemisphere is
tilted toward the sun, it is this season.
summer
This is a break in the Earth’s crust
where movement occurs.
fault
This is the name of the
supercontinent when all the
continents were combined.
Pangaea
This is the number of plates on the
Earth’s surface.
8 plates
This is caused by pressure from the
mantle.
continental drift
These are created by weathering.
mountain formations
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