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hannah.dempsey2 Englisch 7 Karten

At the centre of the earth is a ball of solid iron and nickel called the core.

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  1. 1—At the centre of the earth is a ball of solid iron and nickel called the core.At the centre of the earth is a ball of solid iron and nickel called the core.
  2. 2—Around the core is the mantle, which is semi molten rock and moves very slowly.Around the core is the mantle, which is semi molten rock and moves very slowly.
  3. 3—The outer layer of the earth is called the crust. It is very thin (about 20km).The outer layer of the earth is called the crust. It is very thin (about 20km).
  4. 4—The crust is divided into slabs called tectonic plates (these float on the mantle).The crust is divided into slabs called tectonic plates (these float on the mantle).
  5. 5—Plates are made of two types of crust: Continental and Oceanic
    ~Continental crust is thicker and less dense.
    ~Oceanic crust is thinner and more dense.    Plates are made of two types of crust: Continental and Oceanic ~Continental crust is thicker and less dense. ~Oceanic crust is thinner an...
  6. 6—The plates are moving because of the rock in the mantle underneath them is moving.The plates are moving because of the rock in the mantle underneath them is moving.
  7. 7—The place where plates meet are called boundaries of plate margins.The place where plates meet are called boundaries of plate margins.

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Karteikarten am Ohne Titel, erstellt von hannah.dempsey2 am 02/02/2014.
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