The Earth's interior is composed of four layers, three solid and one liquid—not magma but molten metal, nearly as hot as the surface of the sun. The deepest layer is a solid iron ball ...

3. Explain that the Earth is made of three main layers: crust, mantle, and core. Draw them on the board using colored chalk. Explain that the core is divided into two layers: solid inner core and ...

Save guides, add subjects and pick up where you left off with your BBC account. The Earth has a layered structure made up of the core, the mantle and the crust. Different elements are present in ...

There's many different layers to the Earth's atmosphere, but 75% of Earth's mass is actually going to be residing in the troposphere, where we are located. Also, we see all of Earth's weather occur in ...