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Download PowerPoint- Atmospheric Changes
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Date: May 18th, 2017- period 5 Aim # 79: How have air pollutants affected the atmosphere? Do Now: 1) What are the three main fossil fuels? What type of resources are they? 2) What is released into the atmosphere when burning fossil fuels? 3) Which ones contribute to acid rain? HW: 1)RRB pages 9-18 due Friday 2)Castle Learning (QUIZ #3) due next MONDAY 3)Human Impact Test next Wednesday 4)Ecology Test Corrections due next Thursday Next Review Session is: Wednesday 5/24 @ 3:15 PM Date: May 18th, 2017- period 1 Aim # 79: How have air pollutants affected the atmosphere? Do Now: 1) What are the three main fossil fuels? What type of resources are they? 2) What is released into the atmosphere when burning fossil fuels? 3) Which ones contribute to acid rain? HW: 1)RRB pages 9-18 due Friday 2)Castle Learning (QUIZ #3) due next MONDAY 3)Human Impact Test next Wednesday 4)Ecology Test corrections due next Thursday Next Review Session is: Tuesday 5/23 @ 3:15 PM Aim #79: How have air pollutants affected the atmosphere? 1) Carbon Dioxide in the Atmosphere: The amount of carbon dioxide in the atmosphere has been rising. 2) How do we contribute to the increase of carbon dioxide in the atmosphere? 1)Burning of fossil fuels 2)Deforestation 3)Cow flatulence (methane) + CO2, SO2, NO2 3) How does Deforestation cause an increase in atmospheric carbon dioxide? + H2 O Glucose CO2 O2 Increased CO2 in the atmosphere 4) What does increased levels of carbon dioxide in the atmosphere cause? Increased levels of CO2 in the atmosphere trap the heat that would normally radiate back into space. This increase in earth’s temperature is called: Global Warming BrainPop: Climate Change https://www.brainpop.com/science/earthsystem/cli matechange/ 5) What are some of the detrimental effects of Global Warming? Melting of the polar ice caps, leading to a rise in sea level and flooding in many coastal areas. 6) Disruption of the Carbon/Oxygen Cycle: Deforestation & Fossil Fuel Burning Ted Ed ~ 3 minutes https://www.youtube.com/watch?v=ztWHqUFJRTs Global Climate Change 7) What are chlorofluorocarbons? •Found in aerosol cans •Refrigerator Emissions •Air Conditioner Emissions CFC’s 8) What is the problem with using CFC’s? •They create holes in the ozone layer around earth. •This layer prevents UV radiation from reaching earth. 9) How can UV radiation affect living things? •Mutations •Cancer 10) Global Warming vs. Ozone Layer Depletion Global Warming Ozone Layer Warming Melting of Ice caps CO2 Caused by air pollution More UV radiation Mutations CFCs