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Classroom Activities

  • Equilibrium Straw Activity What is equilibrium? How is it reached? Many students assume that the concentrations or amounts of reactants and products—rather than rates—must be equal at equilibrium. This short lab activity helps to dispel that notion. View »
  • A New Approach to Teaching Atomic Theory For chemistry teacher Siobhan Julian, teaching the history of atomic theory by lecture “was dry and tedious and boring for everyone involved.” Then she took a fresh approach—one that focuses on doing science to learn science history. View »
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