Layers of the Earth and Plate Tectonics

Front

What happens at divergent boundaries?

Back

Tectonic plates move away from each other.

Front

Which layer of the Earth is the thinnest?

Back

The Crust.

Front

What occurs at transform boundaries?

Back

Tectonic plates slide horizontally past each other in opposite directions.

Front

Which layer is referred to as the Outer Core?

Back

The layer that is liquid and surrounds the Inner Core.

Front

What is the theory that explains the drifting of Earth's crust?

Back

Continental Drift Theory.

Front

What are tectonic plates?

Back

Large pieces of the Earth's lithosphere that move and interact with each other.

Front

What is the Mantle?

Back

The layer of the Earth between the crust and the core, made of semi-solid rock.

Front

What is the Inner Core?

Back

The solid, innermost layer of the Earth, composed mainly of iron and nickel.

Front

What is the difference between the Outer Core and Inner Core?

Back

The Outer Core is liquid, while the Inner Core is solid.

Front

What is subduction?

Back

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