Crushing Test

Solidify understanding of the properties of crystals by crushing them to compare hardness. After some class discussion, a procedure is planned, and then small groups go about making observations as they crush five different crystal samples. This is the second in a short series of lessons about physical properties of solids and is really only pertinent when taught in conjunction with the others.

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Pros

  • Comes with a solid lesson plan and a copy of the entire matter investigation unit
  • Strong scaffolding when used with the other lessons in the mini unit
Cons

  • None