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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 »
  • Forces at Work in a Lava Lamp In this lab activity, gather evidence of molecular interactions and reactions from a mixture of oil and water like that in a lava lamp. Get the details. View »
  • Dry Ice Explosion Demonstrate the physical states of carbon dioxide with the help of this video. View »
  • Egg-cellent Chemistry: Teach Key Concepts by Decorating Eggs Decorating eggs is a fun way for students to explore a range of scientific concepts (such as pH and acids and bases) and make real-world connections. Here are 2 activities that are to dye for! View »
  • Make the Invisible Visible: Detecting IR Light with a Smart Phone When it comes to light, there’s more than meets the eye. But with a smartphone camera and a remote control, you can make the invisible visible and show your students infrared light. View »
  • Chemoween and Other Spooky Science Treat your students to some spirited demos and hands-on activities, and celebrate Halloween as the finale to your October science explorations. View »
  • Heat Transfer Between Components of a System This easy, inexpensive lab demonstrates the transfer of heat energy from a higher temperature substance to a lower temperature substance within the same system. View »
  • Aquarium Equilibrium Demonstration Use 2 aquariums and water for this guided-inquiry demonstration that introduces students to the concepts of reversible reactions and equilibrium. View »
  • Buoyancy, Hardness, and Magnetism How do the properties of materials make them suitable for some uses and not others? Students investigate that question with this activity adapted from an investigation in the Building Blocks of Science® unit Structure and Properties of Matter. Students get to observe, classify, and categorize different materials. View »
  • Gravity This brief introduction to gravity explores Newton's law of gravitation, Einstein's theory of general relativity, and quantum gravity. View »
  • Simplifying Circuits In this activity, students build and test various circuits while investigating how electric circuits work. View »
  • Three Little Salts When 3 seemingly identical white salts are dissolved in water, 3 strikingly different results occur. Use this simple experiment to teach your students about thermochemistry, chemical and physical changes. View »