Layers of the Earth

Front

How many layers does Earth have?

Back

4

Front

Which layer is the only liquid layer?

Back

Outer Core

Front

What is the hottest layer of the Earth?

Back

Inner Core

Front

What is the thinnest layer of the Earth?

Back

Crust

Front

Which layer is made of liquid iron and nickel?

Back

Outer Core

Front

What is the outermost layer of the Earth called?

Back

Crust

Front

What layer lies between the crust and the outer core?

Back

Mantle

Front

What is the main component of the Earth's crust?

Back

Silicate rocks

Front

What is the temperature range of the inner core?

Back

Approximately 4,000 to 5,000 degrees Celsius

Front

What is the primary material of the outer core?

Back

Liquid iron and nickel