Plate Tectonics

Front

What was the name of the supercontinent Wegener referred to in his research?

Back

Pangaea

Front

True or False? Wegener's hypothesis was rejected because he could not provide a reason as to HOW the continents had moved.

Back

True

Front

What is the term for the sinking movement of ocean floor back into the mantle?

Back

Subduction

Front

What is a long zipper-like chain of undersea mountains called?

Back

Mid-ocean ridge

Front

True or False? Subduction zones create ocean floor by recycling rock back into the mantle, making the ocean smaller.

Back

False

Front

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

Back

Plate Tectonics

Front

What are the large sections of Earth's lithosphere that move and interact?

Back

Tectonic Plates

Front

What is the process called when new oceanic crust is formed at mid-ocean ridges?

Back

Seafloor Spreading

Front

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

Back

Divergent Boundary

Front

What type of boundary occurs when two tectonic plates collide?

Back

Convergent Boundary