Next explores the impact of cellular phones, pagers, computers, and other devices on telephone numbers. Number's Game is an Interactivity where students can input values to see when a particular numbering plan would run out of numbers. It includes lessons and an activity to explore Bell's invention of the telephone. Teacher covers how Bell's work with the deaf motivated him to come up with the invention. Tinkerer describes some preliminary experiments.
Inventor goes into detail about the invention of the telephone.
Bell Game is an Interactivity where students can match images from the lesson with their appropriate description. Back to top The third module, Building the Network of Networks is based on pages 125-133 of Section 6 of the teacher's guide. It includes lessons and an activity to explore the history and use of the Internet. Connections describes the birth of the Internet, key ideas, evolution, and explosive growth. Killer Apps describes the applications driving the growth of the Internet, especially the World Wide Web.