Earth's+Cycles

=**Water Cycle- Go to the website:**= 1. How is water stored on Earth during the water cycle?
 * Cycles Worksheet **
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2. Take the online [|Water Cycle Quiz] [|.]Check off when completed.

3. Play the online game called, "Travel through the Water Cycle". Check off when completed.

=Carbon Cycle- **Go to the website:**= 1. Why is Carbon important?
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2. What are seven places that carbon exists?

3. Play the online game The Carbon Cycle Check off when completed.

=Nitrogen cycle-Go to the website:= 1. Why is nitrogen important?
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2. How is nitrogen from the atmosphere, the abiotic part of the ecosystem, converted in to the biotic part of the ecosystem in organisms?

3. How does nitrogen return to the atmosphere?

=Phosphorus Cycle- Go to the website:= @http://www.geography4kids.com/files/cycles_phosphorus.html 1. Why is phosphorus important to living organisms?

2. How is the phosphorus cycle different from the nitrogen or carbon cycles?