Layers of the Earth

The Layers of the Earth

WALT: make a model of the layers of the earth out of play-dough

So...that when we learn about natural disasters we can use our knowledge of the layers to understand them better.

To... help us in topic and science and learn about the earth around us.

1. Crust:
The crust is the outside of the earth (land,sea) the thickness of the earth is 15-75km.

2. Mantle upper and lower:
There are two parts of the mantle. It is the upper mantle and the lower mantle.

The upper mantle is 400km thick and it is made out of iron,magnesium and silicates. The lower mantle is 2300km thick.

3. Outer core
The outer core is 2300km thick and it is iron, nickel and sulphur. It is made out of liquid.

4. Inner core
The inner core is 1220km thick and it is iron, nickel,solid and sulphur.
The temperature is 6650 degrees Celsius! It is really hot under the ground!