Four types of air masses interact in the atmosphere above the US. The collision of these air masses forms a front, which, in turn, creates our weather. Concepts are explained by Sam and RJ, thus preventing a snowball fight. Your class...

Students are given maps depicting two or more air masses and they then categorize bodies of air by temperature and moisture characteristics. They recognize large regions of similar type air. Students are given a map of air temperatures...

Seventh graders examine the job of meteorologists. They decide which characteristics of the atmosphere that meteorologists focus on. They use local weather maps from newspapers to predict weather in their area.

In this science worksheet, 3rd graders focus on the weather. Students respond to ten fill in the blank questions regarding specific terminology used in weather.

This Oklahoma Climatological Survey explores how air masses form, as well as the weather formations, which tend to appear on the edges of these masses in what is known as a front.

A very detailed description of air masses, how they move and interact, and what weather takes place when this happens.

This article explains the geography of the circumpolar north, which includes northern Eurasia. Read about the different climates and ecozones in this area. Includes student assignments.