Gases Lighter and Heavier than Air
Students explore the concept of air density. In this air density lesson, students fill balloons with helium and carbon dioxide. Students determine which gases are heavier or lighter than air.
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Investigation: Pollution Prevention Is Disease Prevention
Plenty of background information about how air pollution affects much more than just our lungs is included on this attractive handout. After reading, pupils make a working model of a lung and diaphragm. Junior physicians place a small...
4th - 6th Science CCSS: Adaptable
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