Structure of the Earth, Oceanic and Continental Crust

True or false? The Earth is very similar to a peach in its structure. In the centre is a solid core. Surrounding the core is the inner core, then the mantle which is covered by the Earth’s ‘skin’ or crust.

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What are the characteristics of the Earth's inner core?

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What are the characteristics of the Earth's outer core?

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What are the characteristics of the Earth's mantle?

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Which type of crust has the following characteristics? - Thin, 5-10km thick - Dense - Formed from basaltic rock - Recycled at destructive margins - Young, usually less than 200 million years old

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Which type of crust has the following characteristics? - Thick, 20-200km - Less dense - Made up mainly of granite - Old, up to 3.8 billion years old

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What is the name of the upper portion of the mantle which is a weak layer which can deform like plastic?

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What is another name for the Earth's crust?

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Look at the diagram. Is it labelled correctly?

Cross section of the Earth illustrating oceanic and continental crust.
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What is the name for hot, liquid rock below the Earth's surface?

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The Structure of the Earth Quiz
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