McREL International
Mc Rel: Whelmer #67 Activity: Bells in Your Ears
An easy to do, fun activity that investigates sound waves. The activity is presented in lesson plan format that meets NSES standards.
PBS
Pbs Teachers: Hybrid Automobiles
Examine a car engine illustration to discover the relationship between a motor and a generator. List the pros and cons of hybrid cars, and create a poster on series hybrid cars, parallel hybrid cars or how hybrid cars are different from...
Incorporated Research Institutions for Seismology
Iris: Determining Shallow Earth Structure
Extend students' learning of fundamental physics concepts (reflection, refraction and transmission of energy) through a real-world application.