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In support of all the students who are displaced from school due to the Corona virus. Access to physics zone and chemistry zone lessons are now available free of charge. This will be maintained at least through August 1st 2020. Learn and be well.

Physics Lessons Review Links Solutions Physics Shop

Lessons on Modern Physics

Name Description Type
Models of the Atom
This lesson is for members only
This lesson examines the three most prominent and helpful models of the Atom. Animations & Explanation
The Particle Adventure This gives you a tour of the Standard Model of matter.   Animations, Images & Explanation
The Origin of Light
This lesson is for members only
 This lesson examines where light comes from at the atomic level. It shows both photon creation and photon absorption. Animations & Explanation
Spectroscopy
Analyzing Light Spectrum
This lesson is for members only
This lesson demonstrates many of the concepts based on spectroscopy.   The visible spectrum, emission spectrum, absorption spectrum, and blue & red shift are all shown. Images & Explanation
Photon - Particle Collisions
This lesson is for members only
This lesson examines the Compton effect and the concept of photon momentum. Animation & Explanation
Heisenberg Uncertainty Principle
This lesson is for members only
This lesson examines the Heisenberg Uncertainty Principle. Animation & Explanation
Matter Waves
This lesson is for members only
This lesson demonstrates the concept of de Broglie waves. Animation & Explanation
The Photoelectric Effect
This lesson is for members only
This lesson explains the Photoelectric effect. 

Non-local lesson based on a dialougue.
Animation & Explanation
Special Relativity: Twin Paradox
A nice video introducing Special Relativity and the famous twin paradox. Video 5:45
Modern Physics Review
This lesson is for members only
A collection of multiple choice questions providing immediate feedback. Multiple Choice Practice