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Photo-Electric Effect

Video Overview
The message is the dual nature of light. When a gaseous element is raised to a high temperature, the atoms emit radiation having discreet wavelengths. The set of wavelengths for a given element is called its atomic spectrum. Einstein showed us that light can be described not only as a wave, like a water wave, but also as a particle. This understanding of light allowed us to understand why different elements have different fingerprint patterns of light known as spectra.
Alabama Course of Study
3rd 3; 4th 1, 3; 8th 11
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More Episodes OF Einstein Demonstrations

IQ Leaning Network

Video Library

Education Sponsors

IQ Learning Network
  • Alpha Foundation
  • Daniel Foundation of Alabama
  • Hugh Kaul Foundation
  • Monte L. Moorer Foundation
  • Sybil H. Smith Charitable Trust
Web-Interactive Field Trips
  • Alabama Humanities Foundation
    A state program of the National Endowment for the Humanities
  • Robert Meyer Foundation
  • The Stephens Foundation
  • Wells Fargo Foundation
e-Learning for Educators/ APT Learn Online
  • Community Foundation of Greater Birmingham
  • U.S. Department of Education
STEM Education Initiative
  • Ann & Alfred F. Delchamps, Jr. Charitable Fund
  • BBVA Compass Bank
  • Beverly and Gary Cooper Charitable Fund
  • Community Foundation of South Alabama
  • Corporation for Public Broadcasting
General Educational Support
  • Alabama Department of Human Resources
  • Blue Cross/Blue Shield of Alabama
  • Books-A-Million
  • Honda Manufacturing of Alabama
  • Publix
  • Wells Fargo
PBS Kids Programs
  • Alabama Power
  • Books-A-Million
  • Children's of Alabama
  • Publix
  • US Space & Rocket Center
American Graduate
  • Corporation for Public Broadcasting
Southern Education Desk
  • Corporation for Public Broadcasting