Efficiency equals money where homes are concerned. A comparative lesson asks learners to measure heat output of incandescent and compact fluorescent light bulbs. They follow their investigation with calculating the cost of using the two...

What is a watt? This tongue-twisting, mind-bending question and others are answered through this instructional activity on the different lighting options available. With the support of a PowerPoint, teach your physical science class...

The energy is not really lost, it is just converted to a different form. Pupils learn about the conversion of energy in the fifth segment of an energy unit with six parts. Learners develop an understanding of the conservation of energy...

In this second of three lessons on power plants, future engineers find out how we generate electricity and how coal-powered plants operate. They work in small groups to make electromagnet generators to light LED bulbs. A set of...

Using the 5E method for teaching about kinetic energy, potential energy, and conservation of energy, this two-week unit with many videos and possible extensions is sure to keep pupils engaged as they are learning.