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Physical Science

  • Sweet Solutions for Science on a Shoestring, Part 2 Few science teachers have an unlimited supplies budget. If you need to trim expenses, one “sweet solution” is using inexpensive household materials in your labs. This activity with powdered drink mix will still let you teach key science concepts. 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 »
  • Infographic: Simple Machines This infographic profiles four of the six simple machines: inclined plane, pulley, lever, wheel and axle. View »
  • Reaction in a Bag After developing an understanding of the physical and chemical properties of matter, students analyze and interpret data on the properties before and after substances interact, to determine if a chemical reaction has occurred. View »
  • Exploring Air Resistance Investigate the relationship between velocity and air resistance. 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 »
  • 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 »
  • 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 »
  • Hydrogen Spectrum Activity Although not the currently accepted model for all atoms, Bohr’s model does contain important features that are incorporated in our current model of the atom. View »
  • What Goes On Inside a Spectrophotometer? A spectrophotometer measures the amount of light absorbed or transmitted as it passes through a sample, such as a solution containing food dye. Use this article to cover the basics of how a spectrophotometer works. View »
  • Electricity and Magnetism Electricity and magnetism are mentioned together so often they must be related. How are they connected? How can their relationship be used to make beneficial technology? Here’s a quick lab activity that can help your students find the answers to these questions. View »
  • Infographic: What Is the Electromagnetic Spectrum? You’re probably more familiar with the electromagnetic spectrum than you realize. In fact, you encounter it regularly every day. View »