What you may already know: The Earth is a large rock orbiting the Sun.
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What you will learn in this chapter:
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The Earth is made up of three layers: core, mantle and crust. The atmosphere is a layer of gases that blankets the Earth’s crust. How matter cycles through living and non-living things.
The water cycle describes the changes that water goes through as it passes through the Earth.
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What is the Earth made from?
Why is the Earth suitable for life?
How are key nutrients cycled through the Earth?
Use the periodic table to crack this code.
Your answer should rank the elements by their abundance in the Earth’s crust. (Hint: look at the atomic numbers.) 8 14 13 26 20 11 19 12 22 1
