Pangea + Continental Drift

Front

What is Pangaea?

Back

The name of the supercontinent that existed millions of years ago.

Front

How long ago is Pangaea believed to have existed?

Back

200-300 million years ago.

Front

What evidence supports the theory of continental drift?

Back

Fossils of Mesosaurus found on several continents that could not swim, indicating the continents were once connected.

Front

What causes plate movement?

Back

Convection currents in the mantle.

Front

What is continental drift?

Back

The gradual movement of the continents across the Earth's surface.

Front

Who proposed the theory of continental drift?

Back

Alfred Wegener.

Front

What are tectonic plates?

Back

Large sections of the Earth's lithosphere that move and interact with each other.

Front

What is the lithosphere?

Back

The rigid outer layer of the Earth, consisting of the crust and upper mantle.

Front

What is the mantle?

Back

The layer of the Earth between the crust and the core, composed of semi-solid rock.

Front

What is the core of the Earth?

Back

The innermost layer of the Earth, consisting of a solid inner core and a liquid outer core.