DCA/Plate Tectonics Review

Front

What type of plate boundary is characterized by plates moving towards each other?

Back

Convergent boundary.

Front

What is the name of the theory that explains the movement of continents over time?

Back

The Continental Drift Theory.

Front

Where do most comets originate from?

Back

In the Kuiper Belt & Oort Cloud beyond Neptune's orbit.

Front

What are comets primarily composed of?

Back

Ice and rock.

Front

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

Back

Transform boundary.

Front

What is the term for the supercontinent that existed millions of years ago?

Back

Pangea.

Front

What is the main driving force behind plate tectonics?

Back

Convection currents in the Earth's mantle.

Front

What type of boundary is formed when tectonic plates move apart?

Back

Divergent boundary.

Front

What is the geological feature formed at a convergent boundary?

Back

Mountain ranges or deep ocean trenches.

Front

What is the significance of Alfred Wegener in geology?

Back

He proposed the Continental Drift Theory.