RC - Continental Drift Flashcard

Front

What type of motion drives all plate movement in the Earth's Mantle?

Back

Convection Currents

Front

What is the name of the large landmass that formed all the continents 175 million years ago?

Back

Pangaea

Front

What force is responsible for moving the continents?

Back

Convection

Front

True or False: Alfred Wegener observed that the same land animals were found on land separated by oceans.

Back

True

Front

What was the name of the large continent that all continents were once part of?

Back

Pangaea

Front

What are the circular movements of molten rock in the mantle called?

Back

Convection Currents

Front

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

Back

Plate Tectonics

Front

What evidence did Alfred Wegener use to support his theory of continental drift?

Back

Fossil evidence of similar species on different continents.

Front

What is the term for the boundary where two tectonic plates move apart?

Back

Divergent Boundary

Front

What is the term for the boundary where two tectonic plates collide?

Back

Convergent Boundary