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With the Mass vs. Density: Chemical Demonstration—ChemTopic™ Lab Activity, show the difference between mass and density by placing two candle pieces in clear, colorless liquids. One sinks and one floats, demonstrating that not all colorless liquids are identical. Available as part of the Introduction to Chemistry—ChemTopic™ Labs digital collection. Click the Price link for digital collection pricing.


  • Mass vs. Density
  • Observation
  • Intensive vs. Extensive Properties
  • Hypothesis