Plate Tectonics, Earthquakes, Volcanoes

Front

What is the area where two tectonic plates meet?

Back

Plate boundary

Front

What is the primary cause of the movement of Earth’s tectonic plates?

Back

Convection

Front

What did Alfred Wegener's continental drift hypothesis propose about the continents?

Back

All continents were once joined together to form one supercontinent.

Front

What are the two types of Earth's crust?

Back

Continental and oceanic

Front

How did the Hawaiian Islands form?

Back

As the Pacific plate moves over a hot spot.

Front

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

Back

Plate tectonics

Front

What is subduction?

Back

The process where one tectonic plate moves under another plate and sinks into the mantle.

Front

What is a tectonic plate?

Back

A massive slab of solid rock that makes up the Earth's lithosphere.

Front

What is the difference between continental crust and oceanic crust?

Back

Continental crust is thicker and less dense than oceanic crust.

Front

What is a hot spot?

Back

A location where magma from deep within the mantle rises to the surface, often creating volcanoes.