Plate Tectonics

A plate boundary where two plates move away from each other.

The idea that continents slowly move across Earth's surface.

The kind of rock found when lava meets water and cools quickly

When the Earth's surface moves and the ocean floor spreads apart

mountain ranges in the ocean

What causes magnetic striping of the rocks on the ocean floor?

A supercontinent that existed about 300 million years ago

The process of oceanic crust going under continental crust

A plate boundary where two plates move toward each other.

A plate boundary where two plates move past each other in opposite directions

where the oceanic crust bends downward below continental crust

Breaks in Earth's crust where rocks have slipped past each other.

Who came up with the idea of continental drift?

When two continental crusts meet, what is created?

Any trace of an ancient organism that has been preserved in rock