The Atmosphere

Atmospheric Structure [ Mature Teens ] - Describes the temperature and electromagnetic structure of the atmosphere.

Climate [ Teens/Mature Teens ] - An introduction to climate. Explains the difference between weather and climate.

The Earth's Atmosphere [ Teens/Mature Teens ] - Describes the composition and layers of the atmosphere.

Geography4Kids.com: Atmosphere [ Teens/Mature Teens ] - Looks at the different levels of the atmosphere, how it moves, and how it's changing.

Layers of the Earth's Atmosphere [ Teens/Mature Teens ] - Tells the names of the levels of the atmosphere, and how come they're there.

Weather Summary [ Kids/Teens/Mature Teens ] - 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.

What is Weather? [ Kids/Teens/Mature Teens ] - Explains the difference between climate and weather.