Warm Air versus Cold Air
Young scholars discover that warm air takes up more space than cold air. In this science lesson, students perform 4 experiments using balloons to determine that the molecules of warm air are more spread out than those of cold air.
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New Review The Intertropical Convergence Zone
Young scientists know it is hotter along the equator, but why is it also rainier? Through the process of completing two experiments and a worksheet, scholars discover the answer is the intertropical convergence zone. First, they...
3rd - 11th Science CCSS: Adaptable
Activity 1 Up, Up, and Away: Building a Hot Air Balloon
Middle schoolers investigate the question: "How does a hot air balloon work?" They build small hot air balloons ans then lauch them. Students discuss how they think a hot air balloon floats. Pupils are introduced to the use of models...
6th - 8th Science
New Review Air Pollution in the Pacific Northwest
Scholars investigate levels of nitrogen dioxide in the Pacific Northwest by examining the role of nitrogen in air pollution and how remote sensing can be used to measure nitrogen levels. An Excel spreadsheet calculates the difference...
6th - 8th Science CCSS: Designed