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Physical Science

  • Mirror Mirror Do you want to stimulate some critical thinking in your classroom? Tell your class that we do not see living or inanimate things; we only see the light reflected from those things. View »
  • Mole Day (October 23) Celebration! Happy Mole Day. It’s party time! Keep reading and we’ll give you all kinds of ways to commemorate the big day. View »
  • Dry Ice Explosion Demonstrate the physical states of carbon dioxide with the help of this video. View »
  • Finding the Elements Experience the Finding the Elements Demo Chemistry kit in this video. 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 »
  • Force Awakens Magnetism is an example of a non-contact force that occurs when objects are not touching. In this activity, students investigate how magnets create a force field that can attract and repel objects. Includes a materials list and step-by-step instructions. View »
  • Kinetic Energy Recovery Systems Concepts from physics class are being applied to make modern vehicles more fuel efficient. View »
  • The Science of Popcorn Teach a great lesson on the gas laws and complement it with this fun inquiry activity about the science behind popcorn’s pop. Students pop several brands of popcorn in the lab and determine each brand’s moisture content and the internal pressure required to make the kernels pop. View »
  • Kool-Aid® Chromatography Students encounter mixtures every day though they may not realize it. Use this chromatography activity to teach an important lab technique and introduce or reinforce key science terms and concepts. View »
  • Demonstration of Constant Acceleration Introduce the concept of constant acceleration with this engaging and challenging activity. View »
  • 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 »
  • Electrify Your Classroom with a Discussion on the War of the Currents, Past and Present When great scientists of the 19th century squabbled before the public, both types of electric current flowed. George Westinghouse and Nikola Tesla battled Thomas Edison over whether AC or DC would carry power across the grid in the US. View »