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 will appreciate the cartoon animation, and you will appreciate the graphic demonstrations of how air masses interact.

Concepts

air mass, air

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Additional Tags

air mass, front, weather, science

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Pros

• Lively, colorful cartoon delivery holds viewers' interest
• Graphic animation visually demonstrates movement of air masses and results of their collisions
• Vocabulary terms can be clicked on for definitions or printed and reproduced as a handout
• A self-assessment option is included in the form of a multiple-choice quiz

Cons

• Fails to mention the fifth air mass: arctic maritime; make sure to describe it to your class for wider understanding