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Carbon dioxide in Earth's atmosphere

Concepts Atmosphere

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Understanding of Concepts Assessment ? The Atmosphere Name: Directions: For each of the items, provide a comprehensive summary of your understanding of the concept. Present your responses in the mode that works the best for you: paragraphs, lists, tables, concept maps, outlines, etc. You may include diagrams and illustrations if you wish. Include additional files as needed. Your responses need to be your own work. If you use photos or other graphics from the Internet, you must provide source information. A thorough response for each item will typically consist of the equivalent of several paragraphs.

APES PRACTICE EXAM

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Practice Exam for APEs Chapters 1,2,3,4,5,6,8 &28 Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. A person who is primarily interested in the establishment of new wilderness areas would be considered a(n) a. ecologist. b. preservationist. c. restorationist. d. conservationist. ____ 2. Natural capital includes all of the following except a. sunlight. b. air. c. water. d. soil. ____ 3. All of the following illustrate exponential growth except a. the king who promised to double the number of grains of wheat he put on each successive square of a checkerboard. b. human population growth. c.

Ocean Acidification

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Ocean Acidification What is ocean acidification? (OA) A reduction in ocean pH due to the uptake of anthropogenic CO2. The Amount of CO2 in the atmosphere is increasing We are at the highest level of CO2 we?ve had in a millions years Debates about the effects of high CO2 levels and its cause Not open for discussion The Chemistry of the ocean is dependent on the chemistry of the atmosphere Natural process If you increase CO2 in atmosphere by diffusion you increase the CO2 levels in the ocean What we do to the atmosphere, we also do to the ocean OCEAN IS NOT AN ACID Ocean is becoming less basic, not more acidic Chemistry of it: CO2 reacts with H20 HCO3 (bicarbonate) H (hydrogen) CO2 + H2O => HCO3 + H Water becomes more acidic the more CO2 it contains

Viewing Guide: An Inconvenient Truth

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Viewing Guide ? An Inconvenient Truth 1. According to Al Gore, why do good people in politics not accept global warming as a ?truth?? (Think about this throughout the video.) 2. Why is the earth?s atmosphere the planet?s most vulnerable component? 3. What causes global warming? 4. What has happened to carbon dioxide levels in the atmosphere since the 1960?s? 5. What has happened to glaciers around the world over the last 30-40 years? 6. How have previous warming periods in the last 1,000 years compared with the present warming? 7. What is the relationship between global temperatures and carbon dioxide levels? 8. How do current carbon dioxide levels compare with any other time in the last 650

Cp 3 Ecosystems

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Cp 3 Ecosystems, What are they and How do They Work? p. 62 1. Define biomass 2. Give an everyday example. 3. Because the transfer of energy through the food chains and webs is not very ______________, some chemical energy is lost to the environment as ______-_______ _______. 4. What is ecological efficiency? 5. Give the range and the typical (specify which is which). 6. Prepare an Energy pyramid, start at 100,000 Calories Give all alternative names for each level. p. 63 7. The energy flow pyramids explain what about human populations? 8. About two thirds of the world?s human population survive on which foods? Why? p. 64 9. Why are food chains rarely more than 4 at the most 5 levels? 10. What is Gross primary producitivity? 11. How is it measured?
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