Plate Tectonics

Front

What is the process that continually adds new crust to the ocean floor along both sides of the mid-ocean ridge?

Back

Sea floor spreading.

Front

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

Back

Divergent boundary.

Front

What are breaks in Earth's crust where rocks have slipped past each other called?

Back

Faults.

Front

In sea floor spreading, where does molten material rise from the mantle and erupt?

Back

Along the mid-ocean ridges.

Front

What is the geological theory that states that pieces of Earth's plates are in constant, slow motion?

Back

Plate tectonics.

Front

What is the term for the process where one tectonic plate moves under another?

Back

Subduction.

Front

What type of boundary occurs when two tectonic plates collide?

Back

Convergent boundary.

Front

What is the name of the large sections of Earth's crust that move and interact with each other?

Back

Tectonic plates.

Front

What is the term for the movement of the Earth's plates caused by convection currents in the mantle?

Back

Plate movement.

Front

What geological feature is formed at a divergent boundary?

Back

Mid-ocean ridge.