Plate Tectonics

Front

What is Plate Tectonics?

Back

The theory that explains the movement of the Earth's lithosphere, which is divided into tectonic plates.

Front

What are the Earth's layers in order from the surface?

Back

Crust, Mantle, Outer Core, Inner Core.

Front

What is Pangaea?

Back

The name of the super-continent that existed millions of years ago.

Front

What are Tectonic Plates?

Back

The plates that move the continents.

Front

What are the two types of crust?

Back

Continental and Oceanic.

Front

What is the lithosphere?

Back

The rigid outer layer of the Earth, consisting of the crust and upper mantle.

Front

What is the asthenosphere?

Back

The semi-fluid layer beneath the lithosphere that allows tectonic plates to move.

Front

What causes tectonic plates to move?

Back

Convection currents in the mantle.

Front

What is a fault?

Back

A fracture in the Earth's crust where blocks of rock have moved past each other.

Front

What is the difference between continental and oceanic crust?

Back

Continental crust is thicker and less dense than oceanic crust.