Motors, computers, and compasses all use magnetism to work properly. It's also an important force in electricity. Readers will be introduced to the basics of magnetism, including Earth's magnetic field, attraction, and repulsion, as well as the pioneering scientists who discovered and worked with magnetism and their exciting experiments. Colorful photographs enhance each section, and fascinating fact boxes add even more detail to the curriculum-based science content. Thorough examples draw from readers' experience and everyday situations to drive home important points. From electromagnetism to magnetometers, readers will definitely feel the pull of new knowledge!