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As you play the Carbon Cycle Game, complete the worksheet below.

(Write your answers in complete sentences.)

1. Who are you? ________________________________________________________________

2. What is the goal of this game?____________________________________________________

______________________________________________________________________________________________________________________________________________________

3. Visit each of the 6 reservoirs for carbon.

|Carbon Reservoir |Question #1 |Question #2 |

|ATMOSPHERE |What form are you in? |What does CO2 in the atmosphere do? |

|SURFACE OCEAN |Describe 3 ways you could have gotten here? |Compare the carbon absorbed by the land and ocean. |

| |1. | |

| | | |

| |2. | |

| | | |

| |3. | |

| | | |

|MARINE LIFE |How did you get here? |Why are high levels of carbon bad? |

|DEEP OCEAN |How did you get here? |How much of the Earth’s carbon is here? |

| |1. | |

| | | |

| | | |

| |2. | |

| | | |

|Carbon Reservoir |Question #1 |Question #2 |

|SOIL |How did you get here? |How much carbon is stored here? |

|LAND PLANTS |How did you get here (include the name of the process)? |How can plants release CO2 back into the atmosphere? |

Answer the quiz questions as you go:

1. Ocean life can survive without carbon. (Circle the correct answer.) True False

2. Phytoplankton are tiny plants and algae that float in the ocean and take up carbon dioxide as they grow. (Circle the correct answer.) True False

3. When carbon dioxide is released into the air through burning fossil fuels, it makes the Earth colder. (Circle the correct answer.) True False

4. The deep ocean gets carbon from: (Circle the correct answer)

a. The surface ocean b. Marine life

b. Both d. neither

5. How much has the amount of carbon dioxide in the atmosphere increased over the last 150 years? ______________

6. How much carbon does the surface ocean absorb from the atmosphere each year? _________________

7. What percentage of the atmosphere is carbon dioxide?

a. 0.04% b. 0.4% c. 4% d. 40%

8. Approximately how many Megatons of Carbon do humans produce by burning fossils fuels each year? (1 Megaton = one million tons) ______________________

9. In the atmosphere, carbon atoms are often part of a greenhouse gas called: ___________________

10. If atmospheric carbon dioxide levels continue to increase, plants will take in more carbon dioxide and grow faster. (Circle the correct answer.) True False

11. Soils emit carbon dioxide into the atmosphere. (Circle the correct answer.) True False

12. More carbon can dissolve in cold water than in warm water. (Circle the correct answer.)

True False

13. When carbon enters the deep ocean, how long does it stay there? ___________________

14. Too much carbon in seawater prevents clams, snails, and other sea animals from growing their shells. (Circle the correct answer.) True False

15. Plants both absorb carbon dioxide from the atmosphere and release it into the atmosphere. (Circle the correct answer.) True False

16. The deep ocean accounts for more than ________ of the Earth's carbon.

17. Plants take carbon dioxide out of the atmosphere during photosynthesis. (Circle the correct answer.) True False

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