6 copies of Understanding Electricity. Trace the history of electricity and technology from early experiments with static electricity to the huge power grids we use today. You may be shocked by what you learn!
National Geographic Learning’s mission is to bring the world to the classroom and the classroom to life. With our English language programs, students learn about their world by experiencing it. Through our partnerships with National Geographic and TED, they develop the language and skills they need to be successful global citizens and leaders.