Continental Drift and Plate Tectonics

Front

What is the movement of Earth’s plates called?

Back

Plate tectonics

Front

What type of boundary occurs when plates pull apart?

Back

Divergent

Front

What boundary creates mountains?

Back

Convergent

Front

What type of evidence supported Wegener’s idea?

Back

Similar fossils across oceans

Front

What did early mapmakers notice about some continents?

Back

They fit together like puzzle pieces

Front

What is continental drift?

Back

The theory that continents have moved over geological time and were once joined together.

Front

What is a convergent boundary?

Back

A boundary where two plates collide, often forming mountains or causing earthquakes.

Front

What is a divergent boundary?

Back

A boundary where two plates move apart, leading to the formation of new crust.

Front

What is a transform boundary?

Back

A boundary where two plates slide past each other, causing earthquakes.

Front

Who proposed the theory of continental drift?

Back

Alfred Wegener