Bozeman Science
Water Potential
Water flow isn't solely based on gravity. Pupils explore the formula for the potential of water through a measurement of psi based on the solute potential and the pressure potential. The lesson analyzes the example of placing salt...
American Chemical Society
The Energy of Toys
Many children's toys demonstrate energy transfer without electricity. The video highlights the drinking bird, which bobs up and down thanks to a chemical reaction. It also demonstrates other classic toys that show energy transfer...