Easy-to-follow instructions for performing 20 famous experiments that led to major discoveries in electricity and magnetism over the past 2,500 years. Safe, clearly illustrated projects involve compasses, batteries, electromagnets, thermocouples, generators, more. List of inexpensive, readily available materials. Grades 4-6.
Easy-to-follow instructions for performing 20 famous experiments that led to major discoveries in electricity and magnetism over the past 2,500 years. Safe, clearly illustrated projects involve compasses, batteries, electromagnets, thermocouples, generators, more. List of inexpensive, readily available materials. Grades 4-6.
