Patterns of Earth's Features

Front

Oceanic crust is _____ than continental crust.

Back

more dense

Front

What is the top layer of the Earth's surface called?

Back

Crust

Front

When the ocean floor spreads, the plates move apart and create openings for _____ to rise upward.

Back

magma

Front

What are the two types of crust?

Back

oceanic crust, continental crust

Front

Uplift formed the _____

Back

Colorado Plateau

Front

What is the Earth's outermost layer called?

Back

Crust

Front

What is the layer beneath the Earth's crust?

Back

Mantle

Front

What is the process called when tectonic plates move apart?

Back

Seafloor spreading

Front

What geological feature is formed by the movement of tectonic plates?

Back

Mountains

Front

What is the term for the boundary where two tectonic plates meet?

Back

Plate boundary