Plate Boundaries

Front

The movement of the plates is caused by ___

Back

Changes in the mantle.

Front

What type of plate boundary occurs when plates spread apart?

Back

Divergent.

Front

What type of plate boundary occurs when plates rub against each other?

Back

Transform.

Front

Which layer of the Earth is made of plates?

Back

Crust.

Front

Why do scientists study plate boundaries?

Back

Most changes in the geosphere happen at plate boundaries.

Front

What is a convergent boundary?

Back

A plate boundary where two plates move towards each other, often causing one plate to be forced below the other.

Front

What is a transform boundary?

Back

A plate boundary where two plates slide past each other horizontally.

Front

What geological features are commonly found at divergent boundaries?

Back

Mid-ocean ridges and rift valleys.

Front

What can happen at convergent boundaries?

Back

Earthquakes, volcanic activity, and mountain building.

Front

What is the lithosphere?

Back

The rigid outer layer of the Earth, consisting of the crust and upper mantle.