Thursday, 16 June 2011

Layers of the Earth

W.A.L.T- make a model showing 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.
ST The crust contains continent and it is made out of the tectonic plates. The crust is 15 to 75 km thick.

MANTLE Their are two mantlCRUe,one is a upper mantle another is a lower mantle. The upper mantle is 400km thick. The lower is 2300 km thick.

OUTER CORE The outer core is 2300km thick and is made out of nickle,sulphur and iron. It is a liquid.

INNER CORE The inner core is 1220km thick and is solid. It is made out of iron,nickel and sulphur.

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