"Explore the history of the discovery and the properties of the electron, the negatively charged subatomic particle that orbits around an atom's nucleus."--Publisher's website.
"Explore the history of the discovery and the properties of the neutron, the subatomic particle that, with the proton, makes up an atom's nucleus."--Publisher's website.
Presents experiments with easy-to-follow instructions that demonstrate the properties of electricity, including static electricity, electromagnetism, conductors and insulators, and electroplating.