Earth's Layers and Plate Tectonic Test Review

Front

What is the name of the landmass that existed approximately 225 million years ago?

Back

Pangea

Front

What type of boundary do tectonic plates move apart?

Back

Divergent boundary

Front

Where do most geologic events occur?

Back

Tectonic plates

Front

What is the solid layer of the earth made mostly of iron and nickel?

Back

Inner core

Front

Which layer is found directly above the earth's core?

Back

Mantle

Front

What is the outermost layer of the Earth called?

Back

Crust

Front

What is the layer of the Earth that is semi-fluid and allows tectonic plates to move?

Back

Asthenosphere

Front

What type of boundary occurs when tectonic plates collide?

Back

Convergent boundary

Front

What is the process called when one tectonic plate is forced under another?

Back

Subduction

Front

What is the theory that explains the movement of Earth's plates?

Back

Plate tectonics