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Unit 7 Vocab: The Dynamic Earth

Name: ___________________________________

Date: _____________________ Period: ________
Across
The outermost solid layer of Earth.
Magma that reaches land.
The name of the supercontinent millions of years ago.
Tectonic plates move on top of this layer. ("weak" sphere)
Process that occurs when molten rock rises through cracks along a mid-ocean ridge.
The center of the Earth, below the mantle.
Boundary where plates slide past each other.
Rocks that form from WED, then compaction and cementation.
The strong, lower part of the mantle. ("middle" sphere)
Down
Rocks that form from magma or lava cooling and hardening.
Boundary where two plates COLLIDE, or come together.
The layer of Earth divided into tectonic plates. ("rock" sphere)
A region of hot, slow-flowing, solid rock located between the core and the crust.
The theory that Earth's outer layer is broken into large, slowly moving pieces.
Rocks that form from HEAT and PRESSURE.
Boundary were two plates DIVIDE and move apart.
Molten rock deep inside the Earth.