Comparing the Density of an Object to the Density of Water

Investigators construct a makeshift balance and compare equal volumes of wax and water. They do the same for clay and water. Then they discover whether the wax and clay will float or sink in water. Ultimately this is a comparison of densities, part of a larger unit. 

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Pros
  • One of seven lessons in a density investigation, which is part of a larger unit about properties of matter
  • High-quality worksheets, lab sheets, and teacher's guide
Cons
  • None