Middle schoolers watch a film about the process of upwelling. They work together in groups to demonstrate the concept. They make observations and ask questions to end the lesson.
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That Sinking Feeling: Density Currents Lab
Seawater density varies depending upon your location, which means that ships float higher or lower in the ocean depending upon their location as well. In a hands-on activity, individuals explore the density of ocean water. In groups,...
6th - 12th Science CCSS: Adaptable