Pique interest in water pressure, demonstrate buoyancy, and explore water displacement concepts with a homemade Cartesian diver. You may want to change the name of the toy, however, as is is not documented the Rene Descartes...

Guide your learners through the water cycle with this lesson plan. Over the course of the instructional activity, they read two Magic School Bus books, discuss the water cycle, come up with water facts, complete a diagram of the water...