If you still have these books in your possession, continue to use them because they provide beneficial scientific content material. If you are online, click on the blue underlined titles to connect to the described Internet sites. When the site's homepage appears, use it to locate the desired information. Diagrams show how negative electrical charges jump from hand to knob as the two come together. They see magnetic field lines and look at the magnetic domains of a large bar magnet.
Students investigate the workings of parallel and series circuits.