Plate Tectonics and Boundaries

Front

Who is the scientist credited with the theory of continental drift?

Back

Wegener

Front

What type of boundary occurs when tectonic plates move towards each other?

Back

Convergent boundary

Front

What type of boundary occurs when tectonic plates move away from each other?

Back

Divergent boundary

Front

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

Back

Transform boundary

Front

What is the process called that creates new crust at a divergent oceanic boundary?

Back

Seafloor Spreading

Front

What causes the movement of tectonic plates?

Back

Convection currents in the Asthenosphere

Front

What is the name of the layer of the Earth where convection currents occur?

Back

Asthenosphere

Front

What is the term for the supercontinent that existed millions of years ago?

Back

Pangaea

Front

What geological feature is formed at a convergent boundary?

Back

Mountains or deep ocean trenches

Front

What happens to tectonic plates at a transform boundary?

Back

They slide past each other, causing earthquakes.