Continental Drift and Plate Tectonics

Front

Who proposed the theory of continental drift?

Back

Alfred Wegener

Front

What was the name of the supercontinent that existed before the continents drifted apart?

Back

Pangaea

Front

What is the hypothesis that explains how continents were once connected and drifted apart?

Back

Continental Drift

Front

What is created by one tectonic plate subducting under another at a convergent boundary?

Back

Ocean Trench

Front

What process explains the formation of new oceanic crust at mid-ocean ridges?

Back

Seafloor Spreading

Front

What is the term for the movement of tectonic plates on the Earth's surface?

Back

Plate Tectonics

Front

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

Back

Divergent Boundary

Front

What is the term for the process where one tectonic plate is forced under another?

Back

Subduction

Front

What geological feature is formed at a divergent boundary?

Back

Mid-Ocean Ridge

Front

What evidence supports the theory of continental drift?

Back

Fossil distribution, geological similarities, and climate evidence.