4.2 Plate Tectonics

Front

What geologic process formed the Himalayas?

Back

Two continental plates converging.

Front

A land feature that is produced at a convergent boundary is?

Back

A volcano.

Front

What is it called when two plates move toward each other?

Back

Convergent boundary.

Front

Where do Earth's plates meet?

Back

At plate boundaries.

Front

What is the movement in fluids caused by differences in temperature and density called?

Back

Convection current.

Front

What is a divergent boundary?

Back

A boundary where two tectonic plates move away from each other.

Front

What is a transform boundary?

Back

A boundary where two tectonic plates slide past each other.

Front

What is subduction?

Back

The process where one tectonic plate moves under another plate.

Front

What landform is created by the subduction of an oceanic plate beneath a continental plate?

Back

A trench.

Front

What is sea-floor spreading?

Back

The process by which new oceanic crust is formed at mid-ocean ridges.