Explains fundamental ideas about the electrical nature of matter, electrons and protons, ionic charges, and conduction.
Demonstrates how a Van de Graaff generator can charge hair.
Demonstrates how a Van de Graaff machine makes hair stand on end.
Reviews conduction and insulation, sub-atomic changes related to the charge on an object, and the design and use of an electroscope.
Practice Electric Charge and Electric Force questions
This is an activity for students to complete before reading the Forces on Charged Objects Concept
Learn how force due to a point charge changes as a function of distance.