Cereal boxes of yore would sometimes include a submarine toy for kids to enjoy. Immediately it was a terrific tool to teach density and buoyancy. You can get these baking powder submarines at teachersource.com (or you can make a baking powder carrot submarine). Basically the submarine is less dense than water and thus […]
Archive for October, 2008
I recently did this demonstration in class. Density is the amount of matter in a given space. Fresh water has a density of 1 g/ml. In this demonstration different masses of sugar are dissolved into water, giving the water greater densities. The different colors of sugar water represent different different densities. […]
