UNIT 6 The Earth’s structure Natural Science 2. Secondary Education THE LAYERS OF THE GEOSPHERE.

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UNIT 6 The Earth’s structure Natural Science 2. Secondary Education THE LAYERS OF THE GEOSPHERE

UNIT 6 The layers of the geosphere Crust Mantle Core Click on each name to find out more Natural Science 2. Secondary Education

This is the outer layer of the geosphere. It is very thin compared with the mantle and core. It is made up of hard, solid rocks. There are two zones: The crust The continental crust: this forms the continents and the continental platforms. The oceanic crust: this is found on the ocean floor. It is thinner and denser than the continental crust. Go back to the start menu UNIT 6 The layers of the geosphere Natural Science 2. Secondary Education

This is the middle layer of the geosphere; it is also the thickest. It is made up of denser rocks than those of the crust. Most of them are solid. The rocks in the upper part are hard, but most of the rocks of the mantle are relatively soft (malleable), and in some zones they can be molten. The mantle Mantle Hard mantle Soft mantle Go back to the start menu UNIT 6 Natural Science 2. Secondary Education The layers of the geosphere

This is the innermost layer of the Earth. It is also the densest. It is made up of metals. There are two parts: The outer core, which is molten metal. The inner core, which is solid. The core Core Outer core Inner core Go back to the start menu UNIT 6 The layers of the geosphere Natural Science 2. Secondary Education