Plate Motion End of Unit Review

Front

What happens to the gap created by two tectonic plates moving apart?

Back

Soft, solid rock from underneath the plates rises and hardens, adding new solid rock.

Front

What is Earth's outer layer primarily made of?

Back

Earth's outer layer is made up of hard, solid rock.

Front

What does a cross section of a potted plant show?

Back

A vertical cut through the plant reveals its internal structure.

Front

What type of plate boundary is characterized by plates moving toward each other?

Back

Convergent boundary.

Front

What occurs when two tectonic plates collide?

Back

One plate goes underneath the other plate into the soft rock below.

Front

What is a divergent plate boundary?

Back

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

Front

What is a transform plate boundary?

Back

A boundary where two tectonic plates slide past each other.

Front

What geological feature is commonly formed at convergent boundaries?

Back

Mountains or deep ocean trenches.

Front

What is the process of new rock formation at divergent boundaries called?

Back

Seafloor spreading.

Front

What is the significance of studying cross sections in geology?

Back

It helps scientists understand the internal structure of geological formations.