Front

What are the main layers of the Earth?

Back

The Earth has four main layers: crust, mantle, outer core, and inner core.

Front

Which layer of the Earth is the outermost?

Back

The crust is the outermost layer of the Earth.

Front

What is the composition of the mantle?

Back

The mantle is composed of solid rock that can flow slowly over time.

Front

What is the state of matter of the outer core?

Back

The outer core is made of liquid metal, primarily iron (Fe) and nickel (Ni).

Front

What is the innermost layer of the Earth?

Back

The inner core is the innermost layer of the Earth.

Front

Which layer is the thickest?

Back

The mantle is the thickest layer of the Earth.

Front

What is the temperature like in the inner core?

Back

The inner core is extremely hot, with temperatures reaching up to 5,700 degrees Celsius.

Front

How does the crust compare in thickness to the other layers?

Back

The crust is the thinnest layer of the Earth.

Front

What is the primary material that makes up the crust?

Back

The crust is primarily made up of rocks and minerals.

Front

What is the process of convection in the mantle?

Back

Convection in the mantle is the movement of molten rock that helps drive plate tectonics.