Welcome to the Source

The Physics Source is a collection of resources for introductory college level physics courses. It includes curriculum, curriculum support material, reference material, and pedagogical and physics education research inspired content.

The Source relies on you, the community of teachers, to expand and maintain its holdings.

Featured Item

Featured IntroPhys Resource

PhET Simulation: Simplified MRI
This is an interactive simulation on the topic of Nuclear Magnetic Resonance (NMR) and Magnetic Resonance Imaging (MRI). The user can change the applied magnetic field and the RF signal and observe the effect on spins. In the NMR mode, the user can choose between various  from among several atoms. In the MRI mode, the user can elect to add a tumor to the head being visualized.
More...

Mystery Image

Mystery Physics Image

PER Feature

Featured IntroPhys Resource

Problem Based Learning for College Physics
This web site contains a collection of field-tested problem-based learning (PBL) activities for introductory physics classes. The site also includes background and references on the PBL approach.
More...

Latest Source Materials

Jul 2 Relations between displacement/velocity/acceleration
Jun 26 Slipping and Rolling Wheel Model
Jun 22 Free fall and projectile motion
Jun 22 Free Fall Air Resistance Model

This Day in History

1905: Carl David Anderson was born in New York, New York. He was awarded the 1936 Nobel Prize for Physics, with V. F. Hess, "for his discovery of the positron."
Source: Physics Infomall.