Plate Tectonics

Front

What occurs at a divergent boundary?

Back

Plates pull apart.

Front

What mechanism moves continents based on heat energy?

Back

Convection in the Asthenosphere.

Front

What type of data did Wegener use to support his idea of continental drift?

Back

Climatic data.

Front

True or False: Sea-floor Spreading adds new material to the ocean floor?

Back

True.

Front

What are the puzzle pieces of the Earth's surface called?

Back

Tectonic plates.

Front

What is the layer of the Earth where tectonic plates float?

Back

Lithosphere.

Front

What is the process called when one tectonic plate moves under another?

Back

Subduction.

Front

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

Back

Transform boundary.

Front

What geological feature is formed at a convergent boundary?

Back

Mountains or trenches.

Front

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

Back

Plate tectonics.