What is the composition of the air that we breathe? ES 2a.
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Transcript of What is the composition of the air that we breathe? ES 2a.
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What is the composition of the
air that we breathe?
ES 2a
ES 2a
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What are the gas molecules in our air?
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What are the gas molecules in our air?
Molecule in Air
# of molecules
Percent of molecules
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What gas is the main component of our
atmosphere?
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What is the correct order of the layers of
our atmosphere?ES 2a
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In what layer of the atmosphere does weather
develop?ES 2a
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BirdsTornadosHumansAirplanesThunderstormsMountainsHurricanes
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In which layer of the atmosphere do you
live?
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In which layer of the Atmosphere do storms occur?
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What layer of the atmosphere does ozone filter out UV light from the sun?
ES 2a
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Ozone?! What’s that?p. 441 Chimpanzee Book p. 53 Small Text book
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Ozone?! What’s that?
Where is it?
Why is it important?
Is it helpful?Is it dangerous?
How does it affect me?What is
it?
p. 441 Chimpanzee Book p. 53 Small Text book
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Where is “Good Ozone” and Why is it
“Good”?
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How does temperature change as you increase in
altitude?
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What does space “feel” like?
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What does space “feel” like?
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How does Pressure affect Temperature?
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How does Pressure affect Temperature?
BeforeAfter
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How would YOU measure How Temperature changes
with Altitude?
AltimeterBalloon Thermometer
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How would YOU measure How Temperature changes
with Altitude?
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How does Temperature change
as you travel upwards and Why?
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What is the difference between
climate and weather?
ES 2a
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Weather vs. Climate
Periodic drought
Warm summers
Hurricane season
Average precipitation
Average Temperature
Rainy season
Humidity
High winds
ThunderstormAtmosphericpressure
HurricaneFlash flood
Cloudiness
Freezing rain
Tornado
Snow
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Weather vs. Climate
Warm Summer Hurricane seasonAverage precipitationArid summersPeriodic drought
temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure, as in high and low pressure, sunshine, rain, cloud cover, winds, hail, snow, sleet, freezing rain, flooding, blizzards, ice storms, thunderstorms, steady rains from a cold front or warm front, excessive heat, heat waves, fog, flash floods, hurricanes, tornados, high winds
Examples of Climate
Examples of Weather
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Weather vs. Climate
Define
Weather –
Climate –
Daily conditions (precipitation, temperature, pressure, etc…)
The average weather conditions over 30+ years.
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Describe the difference between
climate and weather, and provide an
example of each.
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What are the different types of weather patterns found on earth?
ES 2a
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Wind Patterns
What is Wind?
What causes wind?
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What is the difference between Sea Breeze &
Land Breeze?
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What is the difference between Sea Breeze &
Land Breeze?
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What is the difference between Sea Breeze &
Land Breeze?
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What is the difference between Sea Breeze &
Land Breeze?
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Global Wind Patterns
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Global Wind Patterns
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Describe one of Earth’s weather
patterns.
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If you were standing just North of the
equator, what direction would the winds be blowing?
ES 2a
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How does a hurricane form?
ES 2a
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Hurricanes
What’s the difference between a hurricane, cyclone, typhoon?
How hot does the water need to be in order for a hurricane to start?
What are the two main ingredients to make a hurricane?
Relative to the equator, where do they always start?
What else does a hurricane need to form?
What does the inside of the storm look like?
How are hurricanes related to tropical storms and depressions?
What is a storm surge? And why is it so dangerous?
Watch the short video… www.metoffice.gov.uk
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What weather conditions form the perfect hurricane?
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What patterns can you identify?
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How does the Greenhouse Effect
affect “Global warming”?
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Greenhouse Effect
Visit http://epa.gov/climatestudents/basics/
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Draw a diagram that demonstrates your knowledge of how greenhouse gases
affect Earth.
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How do Greenhouse gasses relate to Climate change?
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Take the Climate Change Expedition
For each of your 8 stops, record “What you have Learned” and your Passport Stamp Code. Agriculture Arctic Sea Ice Disease Droughts Ocean Temperature and
Acidity Sea Level Snowpack Tropical Storms
1. Go to the link on our class website entitled Global Climate Change
2. Select “Learn the Basics”
3. Take the Climate Change Expedition
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Show your completed questions and Passport
Stamps to Mr. Lee for credit
701244
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Greenhouse gasses &
Global Climate Change
List and Describe some of some causes of “local” climate change?
How are greenhouses gases released into the atmosphere?
What is the “primary effect” of greenhouse gases on the environment? …”secondary?” …”tertiary?” …
Name some of the fossil fuels that we burn to create our energy.
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Greenhouse gasses &
Global Climate Change
Name the more common greenhouse gasses in order of most abundant to least abundant.
List some of the ways that methane is formed?
How do we know that climate change has occurred in the past? And how can we predict its effects in the future?
Describe how has the concentration of carbon dioxide on Earth has changed over time?
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Sketch 2 globes and insert the Tropical,
Temperate, and Polar regions to
demonstrate your knowledge of
“Global Climate Change”
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Exploring AQI(Air Quality Index)
Check out Dublin’s Air Quality rating for today on EPA’s AirNow! website
Which cities have the poorest air quality? …Why?!?
Study Table 2 and Table 1 in chapter 36.2 from your Sustainability textbook
Prepare your petri dishes to collect “Particulates” over the weekend. (Bring them back Monday to view under the microscope) Particulate link
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What are the main causes of poor air
quality?
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Smog City 2
Play the simulation: SmogCity2.swf (in Safari)
Answer the questions on your student handout
Discussion: What interesting patterns did you learn?
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What is the difference between
“primary” and “secondary” pollutants?
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Brainstorm: name as many air pollutants as you can
think of.
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Brainstorm: name as many air pollutants as you can
think of.
Carbon monoxide
Methane
Particulates
Sulfur oxides
Nitrogen oxides
VOC and Aerosols
Ozone
Sulfuric acid rain
Nitrogen oxides
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Brainstorm: name as many air pollutants as you can
think of.
Carbon monoxide
Methane
Particulates
Sulfur oxides
Nitrogen oxides
VOC and Aerosols
Ozone
Sulfuric acid rain
Nitrogen oxides
“Primary” pollutants “Secondary” pollutants
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Check out the 4 short videos on Habitable
Planet.org
Habitable Planet http://www.learner.org/courses/envsci/unit/unit_vis.php?unit=11
Boundary Layer in Mexico City
Killer London Fog
Ozone: Good or Bad?
Ozone… NO2… Ozone… NO2… Ozone!
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Carbon monoxide
http://oceanworld.tamu.edu/resources/environment-book/atmosphericpollutants.html
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SO2 (Sulfur oxides)
What are the worst polluted sites in England?
http://pollutantdeposition.defra.gov.uk/node/239
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Acid Rain!!
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http://ohiocitizen.org/this-epa-puts-ohio-on-notice-to-reduce-sulfur-dioxide/
What do you think is the “Point Source” of SO2 pollution?
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http://myweb.rollins.edu/jsiry/USSatMap.html
With electricity, comes Sulfur Dioxide. Which states are the biggest culprits for SO2?
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http://www.wncvitalityindex.org/air/nitrogen-oxides-and-sulfur-dioxide-emissionsWhat is happening to the SO2 pollution over time?
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http://www.wncvitalityindex.org/air/nitrogen-oxides-and-sulfur-dioxide-emissions
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NO2 (Nitrogen oxides)
Source: Courtesy Jim Gleason, USA and Pepijn Veefkind, KNMI, National Aeronautics and Space Administration.
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Aerosols
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Describe the difference between
“primary” and “secondary”
pollutants and provide and example
of each.
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Why is the Clean Air Act important to
you?PI 2a
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Visit the EPA
Brainstorm 10 specific reasons why you should be concerned about your AQI
Hint: See Activity 36.2 (you may also search on the web)
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Brainstorm: What are some of the benefits from the
Clean Air Act?
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Describe 3 ways you are benefiting from
the Clean Air Act