Layers of the Earth

Front

What is the most dense layer of the Earth?

Back

Core

Front

What is the least dense layer of the Earth?

Back

Crust

Front

Which layer of the Earth is made of liquid Iron and Nickel?

Back

Outer Core

Front

What layer of the Earth is represented by the letter D?

Back

Inner Core

Front

What layer of the Earth is represented by the letter A?

Back

Crust

Front

What are the four main layers of the Earth?

Back

Crust, Mantle, Outer Core, Inner Core

Front

What is the composition of the Earth's crust?

Back

The crust is made up of solid rock, including minerals and elements.

Front

What is the temperature range of the Earth's inner core?

Back

The temperature can reach up to 5,700 degrees Celsius (10,300 degrees Fahrenheit).

Front

What is the primary material of the Earth's mantle?

Back

The mantle is primarily composed of silicate rocks that are rich in iron and magnesium.

Front

How thick is the Earth's crust on average?

Back

The Earth's crust is about 30 kilometers (18.6 miles) thick on average.