Layers of the Earth

Front

What is the thickest layer of the Earth?

Back

The mantle.

Front

Which layer(s) of the Earth make up the asthenosphere?

Back

Part of the mantle.

Front

What layer of the Earth is shown in yellow in diagrams?

Back

The mantle.

Front

What is the correct order of Earth's layers starting from the surface?

Back

Crust, mantle, outer core, inner core.

Front

How many different types of crust are there?

Back

Two types: continental crust and oceanic crust.

Front

What is the outermost layer of the Earth called?

Back

The crust.

Front

What is the primary composition of the Earth's inner core?

Back

Solid iron and nickel.

Front

What is the state of matter of the outer core?

Back

Liquid.

Front

What is the asthenosphere?

Back

A semi-fluid layer of the upper mantle that allows tectonic plates to move.

Front

What is the difference between continental crust and oceanic crust?

Back

Continental crust is thicker and less dense than oceanic crust.