Message sending has come a long way since the days of Morse code's dots and dashes. Young scientists study the research of optical physicist Anthony Johnson and his work in fiber optics, lasers, and the principle of total internal...

A two-part lesson asks young scientists to research the contributions of African American scientists at Bell Laboratories. After presenting their findings, class members watch two demonstrations that introduce them to total internal...

Third graders create a map showing the journey of rice from the field to the grocery store.  In this agriculture lesson, 3rd graders discover and map the process of harvesting and preparing rice to be packaged and shipped to sell to...