Plate Tectonics and Continental Drift

Front

What is the theory that states the continents were once together in a supercontinent and then drifted apart?

Back

Continental Drift

Front

What do the color strips between South America and Africa indicate in the Theory of Continental Drift?

Back

Similar fossils

Front

What occurs at a divergent boundary?

Back

Seafloor Spreading

Front

What is the term for a heavier, denser plate sliding under a less dense plate?

Back

Subduction

Front

What type of plate boundary involves plates sliding past each other?

Back

Transform boundary

Front

What is the name of the supercontinent that existed millions of years ago?

Back

Pangaea

Front

What geological feature is formed at a convergent boundary?

Back

Mountain ranges or deep ocean trenches

Front

What is the process called when tectonic plates move away from each other?

Back

Divergence

Front

What is the main driving force behind plate tectonics?

Back

Convection currents in the Earth's mantle

Front

What type of boundary is characterized by plates colliding?

Back

Convergent boundary