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Lesson Plan: Matter and Density Science

This lesson plan includes the objectives of the lesson teaching students how to define density, calculate the density of a substance, and predict whether it will float or sink in water.


Students will be able to

  • define the density of a substance,
  • state the formula for density and use it to calculate the density of an object or that of a substance,
  • use experimental data to determine the density of a liquid,
  • describe why objects float on or sink in water,
  • predict whether a substance will float or sink when placed in water,
  • recall and describe real-life examples in which density is important.

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