What makes a submarine go up or down? In the "Bottled-up Buoyancy" hydrodynamics #science project, students build a model submarine with a rubber band launch mechanism and a propeller and then investigate what happens when they change the amount of water "in" the submarine. [Source: Science Buddies, www.sciencebuddie...] #STEM #scienceprojects #springbreakscience
These are really good questions for both middle school and high school to get at the core of a scientific article. And it's only $1.50!
Teaching kids basic science concept can start as early as preschool age: Sids Science Fair App from PBS Kids does a great job in teaching kids basic science concept while playing fun games.