Plates Vocab

Front

What is the layer of hot, solid material between Earth's crust and core?

Back

Mantle

Front

What is the soft layer of the mantle on which the tectonic plates move?

Back

Asthenosphere

Front

What is the circulation of material caused by differences in temperature and density?

Back

Convection

Front

What is a valley formed by the separation of tectonic plates?

Back

Rift Valley

Front

What is the formation of new ocean crust as a result of magma pushing upward and outward from Earth's mantle to the surface?

Back

Seafloor Spreading

Front

What is the theory that explains the movement of Earth's plates?

Back

Plate Tectonics

Front

What is the boundary where two tectonic plates collide?

Back

Convergent Plate Boundary

Front

What is the boundary where two tectonic plates move apart?

Back

Divergent Plate Boundary

Front

What is the boundary where two tectonic plates slide past each other?

Back

Transform Plate Boundary

Front

What is the process by which one tectonic plate moves under another?

Back

Subduction