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Physical Science

  • 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 »
  • Carolina Quick Tips: Boats and Buoyancy This activity will help reinforce students' knowledge of engineering and principles of density and buoyancy. View »
  • Understanding the Periodic Table Looking for inexpensive ways to help students understand and appreciate how much information the periodic table provides? In these 2 activities, students discover for themselves several trends associated with the elements on the periodic table. View »
  • Violet Shines Blue Classic demo with a violet laser pointer may be used as a discrepant event to discuss light waves, fluorescence, or chemical quenching. View »
  • Imploding Soda Cans: An Inquiry Approach Your students have probably seen someone crush an empty beverage can with their bare hands, or have even crushed one themselves. But have they ever seen an open can seemingly crush itself, like magic, without the presence of a visible, physical force? View »
  • Gravity This brief introduction to gravity explores Newton's law of gravitation, Einstein's theory of general relativity, and quantum gravity. View »
  • Periodic Table Mystery P is less dense than S. S is an alkali metal. E is a noble gas. In this activity, students generate a periodic table from clues and predict the missing properties of several elements based on the elements’ locations in the table. View »
  • Making Audio Speakers from Household Materials Your students enjoy listening to their favorite play lists on MP3 players and cell phones. With this engaging inquiry activity, now they can understand how their headphones or speakers create the sounds they love. They will make speakers from ordinary household materials and, in the process, discover the science of how speakers create sound. 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 »
  • Bending Light Light travels in a straight path. Find out how get light to “bend” and follow a curved stream of water! View »
  • Molarity, Molality, or Normality? (A Quick Review) Looking for a way to reinforce your students’ understanding of these concepts? Try this quick review. As a supplement to your lecture, it can help them achieve molarity, molality, and normality clarity. View »
  • Can Crusher Amaze your students by crushing an aluminum beverage can without striking a single blow. During the demonstration, explain how air pressure crushes the can and discuss the use of terms associated with atmospheric pressure. View »