Electric currents It's Rourke Media Educational Carla Mooney rourkeeducationalmedia com Scan for Related Titles and Teacher Resources
CHAPTER ONE What Is Electricity Every day you depend on electricity At home your refrigerator television and telephones use electricity In factories machines operate with electricity At businesses elevators and cash registers run using electricity 4
Electricity that powers the world travels as an electric current An electric current is created by the flow of electrical charges To understand how this happens you need to first step inside the world of atoms 5
