Middle school scientists construct a working water wheel from an aluminum pie pan. Because of the sharp edges on the cut aluminum, this activity is for mature learners only. You could have your class compete to see whose wheel can lift...

A total of 29 word problems furnish practice in solving for work, energy, and force. A few of the questions display diagrams to help learners visualize the systems, and all of them list five choices from which they select the correct...

Elementary school physical scientists explore kinetic mechanical energy by dropping a golf ball on different surfaces. They discuss how human made materials might react to light differently from nature made materials. This lesson plan...