1. Earth’s Atmosphere
ISN

2. Why is it cooler in Ashville than in Greenwood?
Link
Why is it cooler in Ashville than in Greenwood?

3. Essential Question ?
How do the layers of Earth’s atmosphere compare to each other?

4. Atmospheric Gases Common Gases: Weather Gases: Trace Gases: Nitrogen
Oxygen
Found throughout all the layers
Weather Gases:
Water Vapor
Carbon Dioxide
Trace Gases:
Argon, methane, etc.
Not Very Important

5. Why is water vapor considered a weather gas?
One minute to write your answer

6. Atmospheric Layers – From Space Down
Exosphere: Cold; leads to space
Thermosphere: Hottest Layer; air thin
Mesosphere: Coldest Layer; meteors burn up here
Stratosphere: Cold expect near ozone layer
Troposphere: Weather occurs here

7. Why do your ears pop when you go to the mountains?

8. Atmospheric Pressure
As you move away from Earth, the pressure decreases.

9. Atmospheric Temperatures
Troposphere – Altitude increases, temperature decreases
Stratosphere– Altitude increases, temperature increases
Mesosphere– Altitude increases, temperature decreases
Thermosphere– Altitude increases, temperature increases
Exosphere – cold

10. Finish this statement: The temperature in the atmosphere ______________ depending on _____________________________.

11. Write three things you learned.