Extreme Earth.

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Presentation transcript:

Extreme Earth

The Earth Our beautiful planet. The Earth.

The Geosphere It includes all the features of the earth’s surface: continents, islands, the sea floor, and everything below the surface. It is made of layers...

The Earth is your home. But… What is it like inside?

Imagine the Earth was a watermelon.

Imagine you cut a slice out of it.

What would you find inside?

The Earth has got 3 layers. 1 2 3

1 . The first layer is the Crust.

The Crust is the layer you live on.

The Crust is between 8 and 65 km thick. The crust is made of rock rocks

There are two types of Crust.. 1 2

There are two types of Crust.. The continental Crust The oceanic Crust

The crust forms the continents. Continental

The continental Crust is made of granite. granite We make staircases with granite

The Crust is the crust under the oceans. Oceanic

The oceanic Crust is made of basalt. It’s solid, not liquid. basalt We make sculptures With basalt

2. The second layer is the Mantle.

The Mantle forms about half of the Earth. The Crust The mantle The core

The Mantle is 2900 km thick. 2900km heavier rock The upper mantle is made of heavier rock The lower mantle is made of soft rock and is hot toffee like

The mantel is mainly made of rock. silicate We make rings with silicates

3. The third layer is the Core.

The Core is 5500ºC at the centre.

The outer core is liquid The Core is 3480 km thick. liquid The outer core is liquid 3480km The inner core is solid

The Core is mainly made of metal. iron nickel We make doors with iron We make coins with nickel

The crust and the upper mantle form the Lithosphere. Upper mantel lithosphere

Let’s make it simple ! Imagine the Crust is your tortoise aquarium.

The continental Crust is the island where the tortoise rests when it doesn’t want to swim. The oceanic Crust The oceanic Crust is the floor under the water where you sometimes put the coloured sand.

CONTINENTAL___ CRUST ____UPPER MANTLE ___LOWER MANTLE ___INNER CORE OCEANIC____ CRUST ____OUTER CORE ___CRUST

What are the characteristics of the 3 layers? Properties & states? how thick? made of? Temperature? The crust The mantle Upper Lower The core Outer Inner

Compare an egg with the Earth Shape States of matter Temperature Layers Egg Earth