1. Get Started Take out Notebooks/ 3-ring binder
How much of each gas do you think is in the atmosphere? (Oxygen, Nitrogen, Carbon Dioxide, Methane)
What could happen if instead of a mixture of gaseous compounds, air were only pure oxygen? Why do we need those other compounds in the air?

3. Agenda Atmosphere Quick Notes Air Quality Data Analysis
Point of View about the air
Summary/ Feedback/ Questions

4. Atmosphere

5. Atmosphere Mixture of gases air Atmospheric gases (now)
Percentage (%) by volume
Nitrogen
78.08
Oxygen
20.95
Argon
0.93
Carbon Dioxide
0.03
Water vapor, ozone, and other gases
0.01

6. Graph

7. Composition of the atomsphere
Early atmosphere :
More carbon dioxide and methane
Now: More oxygen
Photosynthesis

8. Atmosphere Greenhouse effect sustains life Ozone layer filters UV
Maintains life oxygen / carbon dioxide
Weather water cycle

9. Layers of the atmoshere

10. Layers Exosphere 600- 10.000 km Hydrogen and helium -
Less gas particles
Meteorological satellites
Thermosphere km
1500ºC
-Ionosphere Layer
Mesosphere
50-80 km
No water vapor or ozone
-100ºC
Lowest temperatures
Stratosphere km
Almost no water vapor
-Ozone
-Ozone layer 30 km altitude
Troposphere
0- 15 km
-Oxygen
-Carbon dioxide
-nitrogen
Water vapor
75% atmosheric mass
Area we live in
Changes in weather

11. Ozone Layer

12. but why isn’t this heat gone when the rays of light are gone at night?
Question
The sun heats our planet…..
but why isn’t this heat gone when
the rays of light are gone at night?

14. Agenda Global Warming Quick Notes Gist Summary
Group readings/ Extra Quotes
S.O.S. Summary
Debate
Action Plan Writing
Summary/ Feedback/ Questions

15. Greenhouse effect Caused by : Water vapor Carbon dioxide Methane
Function: retain the heat from the sun:
average :15ºC liquid water
sustains life

16. Global Warming
We add to the gases when we use factories, cars, raise cattle for meat eaters, etc.
When there are too many greenhouse gases, too much heat remains on the planet
Climate is affected and weather events become more severe, along with other side effects
AVOID THE MYTHS, KNOW YOUR FACTS:
*Climate is not weather. It is averaged compared to previous history. You cannot see it in the daily weather
*The term warming does not mean that temperatures go up, and that is it. It is better to think of it as “global weirding”

17. Gist Summary What is today’s focus? Who is responsible for the event?
What are some effects?
20 word summary:

18. S.O.S Summary Read your quotes or information
What statement are these people trying to make/ what is their point of view about global warming?
List at least 3 pieces of evidence you can pull from your text sources
Come together with the rest of your debate team to share ideas and come up with one main argument to use and support

19. Action Plan Writing Today we will free write…
Paragraph One: What did your side of the argument say and what was their support?
Paragraph Two: What did the other side of the argument say and what was their support?
Paragraph Three: What is your own opinion of the argument and what should happen next? Who should do what to make a difference? Why would that be helpful?

20. Video

21. Air Quality

24. Air Quality Data

25. Point of View
There aren't too many positives to be found in air pollution. It's unhealthy, unsightly and damaging to the planet that we hope to spend a lot more time on. But could it be that there's actually an upside here? Might the sky-blocking phenomenon known as smog actually enhance sunsets?

26. Be it the azure of high noon or the orange glow of dusk, the colors of the sky result from sunlight interacting with molecules in the air, primarily nitrogen and oxygen, which cause it to be deflected in all directions, a phenomenon called Rayleigh scattering.
Remember how the molecules in the atmosphere are scattering blue and violet more than the longer wavelengths of yellow, orange and red? This same Rayleigh scattering turns the sky from blue to combinations of red, orange and yellow as the distance between the sun and your eye increases, because the light has to travel through more of the atmosphere.
As light travels through the atmosphere, hitting those molecules along the way, more and more of the shorter wavelengths are scattered. By the time the light reaches your eye, all the blue and violet has been scattered out, leaving only the longer wavelengths in the sky for you to see. That's why a setting sun turns the sky red, orange, yellow and all shades in between. All of that scattered blue and violet is busy creating a blue daytime sky somewhere else in a different time zone.

27. Last Items/ Questions
Summary: Abiotic Earth Materials: Rocks, Minerals, Soil, Water, Temperature, Light, Gases/Air
HW:
Catch-up on Unit Project Packet
Research global warming for tomorrow
Mini Quiz Wednesday
Bring in water samples for Thursday
Claim & Topic Sentences due Friday