#4.8 Aim:How
does air pollution
affect the
ozone layer?
AgendaQOD (10)
Lesson: CFC’s (15)
Activity: The
Montreal Protocol
(15)
Summary(5)
Do Now:
1.Why do doctors recommend that we wear sunblock?
http://www.youtube.com/watch?v=2taViFH_6_Y
The Ozone
#4.8 Aim:How
does air pollution
affect the
ozone layer?
AgendaQOD (10)
Lesson: CFC’s (15)
Activity: The
Montreal Protocol
(15)
Summary(5)
HW #37
#4.8 Aim: How does air pollution affect the
ozone layer?
#4.8 Aim:How
does air pollution
affect the
ozone layer?
AgendaQOD (10)
Lesson: CFC’s (15)
Activity: The
Montreal Protocol
(15)
Summary(5)
HW #37
The Ozone layer
- Protects us from UV rays
- Located in the Atmosphere
#4.8 Aim:How
does air pollution
affect the
ozone layer?
AgendaQOD (10)
Lesson: CFC’s (15)
Activity: The
Montreal Protocol
(15)
Summary(5)
HW #37
What is ozone?What is ozone?
O3
#4.8 Aim:How
does air pollution
affect the
ozone layer?
AgendaQOD (10)
Lesson: CFC’s (15)
Activity: The
Montreal Protocol
(15)
Summary(5)
HW #37
What is ozone?The hole in the ozone layer
In the 1960’s, 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?
#4.8 Aim:How
does air pollution
affect the
ozone layer?
AgendaQOD (10)
Lesson: CFC’s (15)
Activity: The
Montreal Protocol
(15)
Summary(5)
HW #37
What is ozone?CFC’s
Chloroflourocarbons (CFC’s) are a type of air pollutant released by aerosol spraycans, refrigerators, and air conditioners.
What’s so bad about turning the ozone layer into oxygen?
CFC’s destroy ozone by turning it into oxygen.
#4.8 Aim:How
does air pollution
affect the
ozone layer?
AgendaQOD (10)
Lesson: CFC’s (15)
Activity: The
Montreal Protocol
(15)
Summary(5)
HW #37
#4.8 Aim:How
does air pollution
affect the
ozone layer?
AgendaQOD (10)
Lesson: CFC’s (15)
Activity: The
Montreal Protocol
(15)
Summary(5)
HW #37
Today the ozone layer is doing much better…
why?
#4.8 Aim:How
does air pollution
affect the
ozone layer?
AgendaQOD (10)
Lesson: CFC’s (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 146- 149) below your picture. High quality facts are worth more points!
#4.8 Aim:How
does air pollution
affect the
ozone layer?
AgendaQOD (10)
Lesson: CFC’s (15)
Activity: The
Montreal Protocol
(15)
Summary(5)
HW #37
Written conversation:
Why do you think the Montreal Protocol has been so successful?
#4.8 Aim:How
does air pollution
affect the
ozone layer?
AgendaQOD (10)
Lesson: CFC’s (15)
Activity: The
Montreal Protocol
(15)
Summary(5)
HW #37
Summary: Why do you think the Montreal Protocol has been so successful?5 sentences
#4.8 Aim:How
does air pollution
affect the
ozone layer?
AgendaQOD (10)
Lesson: CFC’s (15)
Activity: The
Montreal Protocol
(15)
Summary(5)
HW #37
HW #37
CFC’s and the hole in the ozone
Due tomorrow
DUE TODAY
• Page 151 #1-3 ALL
#4.8 Aim:How
does air pollution
affect the
ozone layer?
AgendaQOD (10)
Lesson: CFC’s (15)
Activity: The
Montreal Protocol
(15)
Summary(5)
HW #37
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