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Physical Science

  • Molecular Geometry with Balloons For some students, molecular geometry can be tricky to understand, but with this hands-on, engaging activity, it doesn’t have to be. View »
  • Teaching Hardy Weinberg in the classroom In order for allele and genotype frequencies to remain stable in a given population, certain conditions must be met. But what happens when these conditions aren’t met? Help your students understand the Hardy-Weinberg principle by modeling a population of edible treats. View »
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