Plate Tectonics Challenge Questions

Front

What is the process by which the ocean floor sinks beneath a deep ocean trench and back into the mantle?

Back

Subduction

Front

What type of boundary occurs when two tectonic plates collide?

Back

Convergent boundary

Front

What do magnetic stripes on the ocean floor indicate?

Back

The seafloor was spreading outward from the mid-Atlantic ridge.

Front

What is the name of the boundary where two tectonic plates pull apart?

Back

Divergent boundary

Front

Which graph best represents temperatures inside the Earth?

Back

Graph B

Front

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

Back

Plate Tectonics

Front

What is the name of the boundary where two plates slide past each other?

Back

Transform boundary

Front

What geological feature is formed at a convergent boundary?

Back

Mountains or deep ocean trenches.

Front

What is the main driving force behind plate tectonics?

Back

Convection currents in the mantle.

Front

What is continental drift?

Back

The hypothesis that continents move across the Earth's surface over geological time.