Lesson 11: Understanding Plate Boundaries

A region where lithospheric plates move towards each other.

• divergent plate boundary

• transform plate boundary

• lithosphere

• convergent plate boundary

A region where lithosphere plates are spreading apart.

• divergent plate boundary

• transform plate boundary

• lithosphere

• convergent plate boundary

A region where two plates move past each other.

• divergent plate boundary

• transform plate boundary

• lithosphere

• convergent plate boundary

The solid layer of Earth's crust and upper mantle.

• lithosphere

• magma

• mid-ocean ridge

• subduction

Hot, liquid rock under Earth's surface.

• magma

• mid-ocean ridge

• subduction

• trench

A large underwater volcanic mountain chain.

• magma

• mid-ocean ridge

• subduction

• trench

The process of one plate being pulled below another plate.

• magma

• mid-ocean ridge

• subduction

• trench

A deep, narrow depression on the sea floor.

• magma

• mid-ocean ridge

• subduction

• trench