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Warm Air versus Cold Air
Students discover that warm air takes up more space than cold air. For 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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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