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Physical Science

  • Rock Candy: An Edible Study of Crystallization Making rock candy is a safe way to introduce students to solutions and crystal growth—and you can make it a tasty treat at the same time! This activity, which can be done at home using only 2 ingredients, helps students visualize how a supersaturated solution grows the extra-large crystals of sucrose needed to make rock candy. View »
  • Foaming Rainbow Demonstration In this demo, you add dry ice to a basic solution of dish detergent and universal indicator. As carbon dioxide is released from the solution, it forms bubbles with the dish detergent, producing a mass of foam. View »
  • Make Your Own Indicators Testing the pH of a solution is a fundamental skill in chemistry. A wide variety of pH indicators can be purchased, but effective pH indicators can also be made at home or in the classroom from items you probably already have in your kitchen or garden. Find out how to extract anthocyanin pigment from plant material for use as a natural pH indicator. View »
  • Super Water-Absorbing Polymers The molecular structure of polymers have very different rates of water absorption. This makes them ideal for teaching an engaging lesson on physical and chemical changes. View »
  • Chemistry Laboratory Closeout With the end of the school year approaching, it’s time to start preparing your laboratory for summer break. We've compiled a checklist to help you complete the task. View »
  • Cooking Eggs with Chemicals Introduce high school biology and chemistry students to the concept of denatured proteins with this inexpensive, fun demonstration. View »
  • Sound Off Design a sound amplifier using different shapes and materials with this activity. Students should be familiar with the properties of sound waves and understand the definition of “acoustics.” View »
  • Simulating the Decay of a Radioactive Element Learn about the International Year of Chemistry (IYC) and its connection to 2-time Nobel laureate Marie Curie, and then check out an activity on radioactive half-life. View »
  • Basic Lab Equipment Needed for a Chemistry Lab Use this helpful guide to ensure you outfit your chemistry lab with essential equipment and supplies. View »
  • Teaching Chemistry with Manipulatives Manipulatives can help students (especially visual and tactile learners) understand abstract concepts by allowing them to “see” a chemical structure or process. We offer 2 ideas for creating manipulatives and how to use them. View »
  • A Day in the Life with Common Simple Machines Choose from activities that engage beginning students in identifying machines and their types or activities that challenge more advanced students to design machines to accomplish chosen tasks. View »
  • 12 Principles of Green Chemistry These principles provide a new perspective on the use of chemicals—use them as a guide when developing new procedures or choosing products for your classroom. View »
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