#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