1. Atmosphere
The Structure of the Atmosphere

2. Gases that surround the Earth
Atmosphere:
Gases that surround the Earth

3. Trace gases & water vapor = 0.063%
Nitrogen = 78%
Oxygen = 21%
Argon = 0.9%
Carbon Dioxide = %
Trace gases & water vapor = 0.063%
% composition of exhaled air – dpi unit

4. Layers Troposphere Stratosphere Mesosphere Thermosphere Exosphere
Let’s Explore!!
Brace map & modeling earth’s atmospheric layers – dpi unit

5. Troposphere - layer nearest Earth - weather occurs
- temp drops as altitude increases
people live here!
Let’s check it out!!

6. Stratosphere - jets fly - ozone layer - drier - UV radiation scattered
An HD video camera view

7. Mesosphere
- coldest layer
- meteors burn up

8. Thermosphere - very hot aurora lights
International Space Station located here

9. Exosphere
Last layer before outer space

10. A flight up through the Earth’s atmosphere

11. What can Bill Nye teach us about the atmosphere?