I alter lessons all the time and particularly alter them for particular workshop audiences. The specific PowerePoint slides and worksheets etc. for these workshops will be maintained here so the participants at those workshops can have access to those specific versions, without the whole website being cluttered by many versions of almost exactly the same thing.
August 2011 Physics Camp OTF: This has its own page as there were so many sessions at this three-day camp.
May 2011 OAPT Conference: General Relativity for Grade 9 Astronomy, PowerPoint, Teachers Guide
February 2011 TDSB Eureka Day: General Relativity for Grade 9 Astronomy, PowerPoint, Student Worksheet, Answers
December 2010 TDSB PTA in the GTA: Particle Physics and PER, TRIUMF and Relativitistic Momentum, CERN and Bubbel Chamber Detective
November 2010 STAO: Hands-On General Relativity, PowerPoint, Part1: Equivalence Principle, Part 2: Curved Spacetime