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#4.8 Aim: How does air pollution affect the ozone layer? Agenda QOD (10) Lesson: CFCs (15) Activity: The Montreal Protocol (15) Summary (5) Do Now: 1.Why.

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Presentation on theme: "#4.8 Aim: How does air pollution affect the ozone layer? Agenda QOD (10) Lesson: CFCs (15) Activity: The Montreal Protocol (15) Summary (5) Do Now: 1.Why."— Presentation transcript:

1 #4.8 Aim: How does air pollution affect the ozone layer? Agenda QOD (10) Lesson: CFCs (15) Activity: The Montreal Protocol (15) Summary (5) Do Now: 1.Why do doctors recommend that we wear sunblock? The Ozone

2 #4.8 Aim: How does air pollution affect the ozone layer? Agenda QOD (10) Lesson: CFCs (15) Activity: The Montreal Protocol (15) Summary (5) HW #37 #4.8 Aim: How does air pollution affect the ozone layer?

3 #4.8 Aim: How does air pollution affect the ozone layer? Agenda QOD (10) Lesson: CFCs (15) Activity: The Montreal Protocol (15) Summary (5) HW #37 The Ozone layer - Protects us from UV rays - Located in the Atmosphere

4 #4.8 Aim: How does air pollution affect the ozone layer? Agenda QOD (10) Lesson: CFCs (15) Activity: The Montreal Protocol (15) Summary (5) HW #37 What is ozone? O3O3

5 #4.8 Aim: How does air pollution affect the ozone layer? Agenda QOD (10) Lesson: CFCs (15) Activity: The Montreal Protocol (15) Summary (5) HW #37 What is ozone? The hole in the ozone layer In the 1960s, scientists started to notice a very thin part of the ozone layer above the Antarctic. What do you think caused this hole in the ozone layer?

6 #4.8 Aim: How does air pollution affect the ozone layer? Agenda QOD (10) Lesson: CFCs (15) Activity: The Montreal Protocol (15) Summary (5) HW #37 What is ozone? CFC s Chloroflourocarbons (CFCs) are a type of air pollutant released by aerosol spraycans, refrigerators, and air conditioners. Whats so bad about turning the ozone layer into oxygen? CFCs destroy ozone by turning it into oxygen.

7 #4.8 Aim: How does air pollution affect the ozone layer? Agenda QOD (10) Lesson: CFCs (15) Activity: The Montreal Protocol (15) Summary (5) HW #37

8 #4.8 Aim: How does air pollution affect the ozone layer? Agenda QOD (10) Lesson: CFCs (15) Activity: The Montreal Protocol (15) Summary (5) HW #37 Today the ozone layer is doing much better… why?

9 #4.8 Aim: How does air pollution affect the ozone layer? Agenda QOD (10) Lesson: CFCs (15) Activity: The Montreal Protocol (15) Summary (5) HW #37 Directions 1.Draw a visual representation of the ozone layer on the top half of the page. 2.Write 5 facts about the ozone layer (use pages ) below your picture. High quality facts are worth more points!

10 #4.8 Aim: How does air pollution affect the ozone layer? Agenda QOD (10) Lesson: CFCs (15) Activity: The Montreal Protocol (15) Summary (5) HW #37 Written conversation: Why do you think the Montreal Protocol has been so successful?

11 #4.8 Aim: How does air pollution affect the ozone layer? Agenda QOD (10) Lesson: CFCs (15) Activity: The Montreal Protocol (15) Summary (5) HW #37 Summary: Why do you think the Montreal Protocol has been so successful? 5 sentences

12 #4.8 Aim: How does air pollution affect the ozone layer? Agenda QOD (10) Lesson: CFCs (15) Activity: The Montreal Protocol (15) Summary (5) HW #37 CFCs and the hole in the ozone Due tomorrow

13 DUE TODAY Page 151 #1-3 ALL #4.8 Aim: How does air pollution affect the ozone layer? Agenda QOD (10) Lesson: CFCs (15) Activity: The Montreal Protocol (15) Summary (5) HW #37


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