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"Gravity visualised" Dan Burns explains his space-time warping demo at a PTSOS workshop at Los Gatos High School, on March 10, 2012"

Optics Unit: (from the Khan Academy) How do you make colored shadows? What happens when you mix red, green & blue colored light?

Remember those textbook questions at the very end of the chapter that were never assigned 

A proactive list of things that will help diminish teacher burnout.

Some interesting apps (ipad and android) for Science lessons and demos.

A new take on the Scientific Theory - " So whether you're researching, observing, experimenting, or just exploring, the Cycle still works and provides a good framework for scientific skills, while also teaching students that scientists approach questions in different ways."