Plate Tectonics updated

Front

What occurs at a divergent boundary?

Back

Plates pull apart.

Front

What causes the earth's plates to move?

Back

Convection currents within the mantle.

Front

Why does the Indian Plate move under the Eurasian Plate?

Back

It is denser.

Front

What geologic feature is found at a divergent boundary between oceanic crust?

Back

Mid-Ocean Ridge.

Front

What evidence did Wegener use to support continental drift?

Back

The shape of the continents, similar fossils found on separate continents, and tree fossils found in odd places.

Front

What is a convergent boundary?

Back

A boundary where plates come together.

Front

What is a transform boundary?

Back

A boundary where plates slide past each other.

Front

What is subduction?

Back

The process where one plate moves under another plate.

Front

What is the theory of plate tectonics?

Back

The theory that explains the movement of the Earth's plates and the associated geological phenomena.

Front

What is a rift valley?

Back

A lowland region formed by the divergence of tectonic plates.