CK-12 Foundation
Ck 12: Earth Science: Circulation in the Atmosphere
[Free Registration/Login may be required to access all resource tools.] Describes the convection cells present in our atmosphere.
Scholastic
Scholastic: Study Jams! Science: Weather & Climate: Air Pressure and Wind
A video and a short multiple-choice quiz on the topic of air pressure and wind. It explains what makes air pressure change, how we measure it, how wind is created, and types of winds.