Physics Classroom
A Critical Lab
Physics lab groups finagle with laser lights to determine the critical angle of refraction for both water and Lucite. Because there are no detailed steps or an answer key for this enlightening exercise, an inexperienced physics...
American Institute of Physics
The Black Scientific Renaissance of the 1970s-90s: African American Scientists at Bell Laboratories
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...
American Institute of Physics
Optics and Anthony Johnson
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...
California Institute of Technology
Physics of Light
Gummy bears are tasty, but did you know they are also used to determine color and light properties? Use the activity as a way to demonstrate light absorption, light reflection, and refraction with high schooler....