Will it Float or Sink?
Fourth graders explore what objects will float or sink. They conduct an experiment with a flat piece of foil and a ball of foil in water and compare the differences, and design a boat out of aluminum foil that floats and holds weight.
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Changing the Density of an Object - Adding Material
In this sixth of seven activities revolving around the concept of density, physical science fans figure out if anything can be done to change the density of an object. Demonstrate by placing a can of regular and a can of diet soda into a...
3rd - 8th Science