CARBON CYCLE and NITROGEN CYCLE

A. Carbon Cycle
(1) Go to http://epa.gov/climatechange/kids/carbon_cycle_version2.html Click and complete scene 1.
(2) Name 4 places on the earth we find carbon:
1. __________________________ 2. ___________________________
3. ______________________________ 4.____________________________
(3) Go to http://www.windows.ucar.edu/tour/link=/earth/Water/co2_cycle.html, read about the carbon cycle and fill in the blanks below:

Play the Carbon Cycle Game:
http://www.windows.ucar.edu/earth/climate/carbon_cycle.html
B. Nitrogen Cycle
Go to the website http://www.windows.ucar.edu/tour/link=/earth/Life/nitrogen_cycle.html&edu=mid and answer the questions below:

1. What are 2 ways nitrogen becomes useable to plants, humans and animals:
_______________________________
________________________________
2. How do herbivores obtain the nitrogen they need?
_________________________________________________________
3. How is nitrogen returned to the atmosphere?
_________________________________________________________
4. What are two ways humans impact the nitrogen cycle:
1.________________________________________________________
2.________________________________________________________
Go to http://www.teachersdomain.org/asset/lsps07_int_nitrogen/
What did you learn from this animation?
Go to http://nortonbooks.com/college/biology/animations/ch38a02.htm
What did you learn from this animation?
Last but not least: Phosphorus Cycle -- What important Limiting Factor is Found in Bat Poop?