Vision Learning
Visionlearning: Earth Science: Earth's Atmosphere: Composition and Structure
Instructional module focusing on Earth's atmosphere. Discussion includes major components, layers, air pressure, and scientific monitoring of the atmosphere. Site also includes an interactive practice quiz and links relating to the topic.
Encyclopedia of Earth
Encyclopedia of Earth: Local and Regional Wind Systems
Read about regional and local wind systems, including information on changes in atmospheric pressure, thermal energy in the atmosphere, sea and land breezes, mountain and valley breezes, and monsoon winds.