Plate Tectonics and Seafloor Spreading Review

Front

What causes Earth's tectonic plates to move?

Back

Convection currents in the mantle.

Front

What is the type of plate boundary where two plates come together?

Back

Convergent Boundary.

Front

What object best represents the movement that occurs during sea-floor spreading?

Back

Conveyor belt.

Front

What geological features are common along a convergent boundary?

Back

Folded mountain ranges and ocean trenches.

Front

What is the thick, plastic-like layer of the mantle on which tectonic plates float?

Back

Asthenosphere.

Front

What is the outermost layer of the Earth called?

Back

Crust.

Front

What type of plate boundary occurs when two plates slide past each other?

Back

Transform Boundary.

Front

What is the process called when tectonic plates move apart?

Back

Divergent Boundary.

Front

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

Back

Plate Tectonics.

Front

What is formed when two continental plates collide?

Back

Mountain ranges.