Communications
This is a very informative unit about communication past and present. It describes how early man communicated starting with sounds, and how different ways of communicating eventually led to drums, smoke, drawings, first alphabet, speech, Pony Express, printing press, photography, radio, television, telephone, typewriters, satellites, computers and more. This unit also includes various worksheets including spelling, word find, criss cross, and more.

Platform: PDF file for both Windows and Macintosh

Age Group: 7 to 9

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