Plate Tectonics Review

Front

What is the name of the supercontinent which Wegener believed existed about 300 million years ago?

Back

Pangaea

Front

What is formed at a continent-continent convergent boundary?

Back

Mountain ranges

Front

What type of rock contains crystals that point in the direction of the magnetic north pole?

Back

Magnetite

Front

What is the movement of two plates at a mid-ocean ridge?

Back

Away from each other

Front

How many types of plate boundaries are there?

Back

3

Front

What is a divergent boundary?

Back

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

Front

What is a convergent boundary?

Back

A plate boundary where two plates move towards each other.

Front

What is a transform boundary?

Back

A plate boundary where two plates slide past each other.

Front

What geological feature is commonly associated with oceanic-oceanic convergent boundaries?

Back

Deep ocean trench.

Front

What is subduction?

Back

The process where one tectonic plate moves under another and is forced to sink into the mantle.