The Carbon Cycle and the Nitrogen Cycle

Directions:

You will fold your paper in half.  On one side of your paper, you will research the carbon cycle.  On the other side of your paper, you will research the nitrogen cycle.  Please find and answer the following questions using the websites and resources below.

1.  Briefly describe the cycle using at least three sentences.

2.  How does the cycle effect the earth?

3.  How does the cycle work?

4.  If the earth did not have this cycle, what would happen?

5.  List three interesting facts you found about the cycle.

6.  Draw a diagram of how the cycle works.

Carbon Cycle:  page 396-397 in your Science Textbook

http://epa.gov/climatestudents/basics/today/carbon-dioxide.html

http://epa.gov/climatestudents/basics/today/carbon-dioxide.html

http://www.columbia.edu/~vjd1/carbon.htm

http://www.youtube.com/watch?v=xFE9o-c_pKg

Nitrogen Cycle: page 398-399 in your Science Textbook

http://eo.ucar.edu/kids/green/cycles7.htm

http://www.classzone.com/books/ml_science_share/vis_sim/em05_pg20_nitrogen/em05_pg20_nitrogen.swf

http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/N/NitrogenCycle.html

http://www.youtube.com/watch?v=Lapu6k0WDIQ