Curated OER
Development of the Atomic Theory
In this atomic theory worksheet, learners complete a paragraph describing the development of the atomic theory by filling in the blank with 21 terms.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Blackbody Radiation: Frequency
Simulation of the blackbody radiation curves of Planck demonstrating the effect of changing the frequency or the wavelength.
Georgia State University
Georgia State University: Hyper Physics: Wave Particle Duality
The dualistic nature of light is discussed. The photoelectric effect and the Davisson-Germer experiment are contrasted as empirical evidence supporting each of the two views - particle and wave - of the nature of light. The photoelectric...
Georgia State University
Georgia State University: Hyper Physics: Blackbody Radiation
An indexing page for the HyperPhysics site. This page includes a concept map of links to pages that contain information related to blackbody radiation. Each individual page consists of informative graphics and clear explanations.
University of Colorado
University of Colorado: Physics 2000: Quantum Atom: Angular Momentum of an Electron
A very technical explanation of the angular momentum of an electron.
Wikimedia
Wikipedia: Max Planck
Discover the life and accomplishments of the great German scientist Max Planck. This site also provides links to sites explaining theories and scientific terms that are associated with Planck.
PBS
Pbs: Planck Discovers the Quantum Nature of Energy
PBS offers a short summary of the discovery of the quantum nature of the atom by Max Planck. Easy to follow.
Other
Iun: Modern Atomic Theory
This is an excellent site with information on the discovery of the atom and the different models. Includes a sample question and answer using Planck's constant.
National High Magnetic Field Laboratory
Magnet Academy: Max Planck
In a career that lasted seven decades, Max Planck achieved an enduring legacy with groundbreaking discoveries involving the relationship between heat and energy, but he is most remembered as the founder of the "quantum theory."
Georgia State University
Georgia State University: Hyper Physics: Photoelectric Effect
Using graphics, words and numbers, the photoelectric effect is described and explained. Planck's theory about quanta of light is explained. Photon energies for the various regions of the EM spectrum are listed. An interactive JavaScript...
University of Maryland
University of Maryland: Optics, Electromagnetic Waves
This site from the University of Maryland provides part of an anecdotal history of optics and the study of light. Extremely thorough treatment of how scientists came to believe in the wave nature of light, the idea of an electromagnetic...
McGraw Hill
Mc Graw Hill Companies: Origins of the Quantum Theory
An indexing page for Chapter 27 (Origins of the Quantum Theory) of the companion web site for McGraw Hill's Contemporary College Physics textbook. Includes several worthy pages with chapter notes, simple definitions, online computer...
Nobel Media AB
The Nobel Prize: The Dual Nature of Light as Reflected in the Nobel Archives
This article discusses the historical figures who contributed to our understanding of the nature of light, x-rays, Quantum ElectroDynamic (QED) theory, and so on.
Harvard University
Web Science Resources: A Brief History of Optics
This timeline compiles an enormous amount of historical information from the field of optics. From 300 BCE to the present, strategic experiments, findings, and theories are described.
Wolfram Research
Wolfram Science World: Phillipp Lenard
This site from ScienceWorld mostly describes Lenard's most notable scientific discoveries and contributions. Includes minimal biographical information and links to additional information on related subjects.
Curated OER
University of St Andrews: Max Planck
This site is a mixture of a short biography and quotes on German physicist Max Planck.