Atmospheric Structure
- Explains the thermal structure of the Earth's atmosphere.
- http://meted.ucar.edu/hao/aurora/txt/x_t_1_0.php

The Earth's Atmosphere
- Describes the composition and layers of the atmosphere.
- http://csep10.phys.utk.edu/astr161/lect/earth/atmosphere.html

The Atmosphere
- Looks at different parts of the atmosphere, and has information on what makes up the atmosphere.
- http://liftoff.msfc.nasa.gov/academy/space/atmosphere.html

Layers of the Earth's Atmosphere
- Tells the names of the levels of the atmosphere, and how come they're there.
- http://www.windows.ucar.edu/tour/link=/earth/Atmosphere/layers.html&edu=elem

Geography4Kids.com: Atmosphere
- Looks at the different levels of the atmosphere, how it moves, and how it's changing.
- http://www.geography4kids.com/files/atm_intro.html

Weather Summary
- Learn about weather patterns and discover how our climate is changing. Try your hand at being a storm chaser in a hands-on Web activity.
- http://www.learner.org/exhibits/weather/

What is Weather?
- Explains the difference between climate and weather.
- http://www.econet.org.uk/weather/whatis.html

Climate
- An introduction to climate. Explains the difference between weather and climate.
- http://weathereye.kgan.com/cadet/climate/