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Classroom Activities

  • Newton's Law of Cooling Confirm Newton's law of cooling by collecting and analyzing data on samples of water undergoing a temperature change. View »
  • Stoichiometry and Limiting Reactant Develop a model for a limiting reactant in a chemical reaction, analyze combining ratios for reactions, and write balanced equations for them. Activity supports NGSS instruction. View »
  • Food Calorimetry: How to Measure Calories in Food Help your students learn how to determine the calories in food with this hands-on lab activity. Using common, inexpensive materials, students construct a calorimeter and test several food samples to determine their energy content. Addresses selected National Science Education Standards for grades 9–12. View »
  • Energy Is Energy Energy that we use has to come from somewhere. Even though one form of energy may seem different from another form, it really is all the same. Energy is energy. View »
  • More Paper Clip Chemistry Who knew the common paper clip could be such a versatile teaching assistant? This activity uses several paper clip styles to help students understand empirical formulas and relative masses. 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 »
  • Thermochemistry: An Endothermic Reaction In this thermochemistry demonstration, students observe an extreme, spontaneous endothermic reaction between 2 solid compounds, measure changes in temperature, and make observations. View »
  • Carbon Snake In this teacher-directed demonstration of an exothermic reaction, students observe the dehydration of a carbohydrate using concentrated sulfuric acid. View »