On the left click on "Communications" to learn about what satellites do with communication. "Satellite Construction Set" takes a minute to load, but you can piece together a satellite. Follow the directions provided.
Learn how changes in communication and transportation impact people's lives. These sites link to various communication methods such as the printing press, telegraph, telephone, and more. Included is information about different types of transportation such as private, public, water, and army transportation. There are links to eThemes Resources on communication in history as well as eThemes Resources on transportation including automobiles, the transcontinental railroad, steamboats, mass transit, and trains.