Learners discover how capacitors help store data.  In this computer science instructional activity, students investigate how capacitors can store an electronic charge, eventually helping computers store data.  Learners create...

Wow! Colorful and simple, these 160 slides introduce the various forms of energy, along with a relevant image. Some of the images are animations, which help beginning physical scientists to visualize the flow of electrons or energy! This...

In pairs, learners build a piezoelectric generator from readily available electric components in the second and final installment of the two-part series. Tapping the piezoelectric element produces enough electricity to light an LED....