plate tectonics

Front

What is the theory that explains how the tectonic plates on Earth's surface move?

Back

Plate Tectonics

Front

What are the plates where tectonic plates meet called?

Back

Plate boundaries

Front

What is the term for the oldest ocean floor being located farthest from the mid-ocean ridge?

Back

Farthest from the mid-ocean ridge

Front

What geological feature runs parallel to deep-ocean trenches?

Back

Island arcs

Front

What was discovered during naval mapping of the ocean floor?

Back

Mid-ocean ridge

Front

What is the rigid outer layer of the Earth that includes the crust and upper mantle?

Back

Lithosphere

Front

What type of boundary occurs when two tectonic plates move away from each other?

Back

Divergent boundary

Front

What type of boundary occurs when two 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 term for the movement of the Earth's plates that can cause earthquakes?

Back

Plate movement