YouTube Channels and Useful Videos

Minute Physics

Crash Course

Vsauce

Sixty Symbols

The Science Channel

Ted-Ed

Backstage Science

Smarter Every Day

The Bad Astronomer

SciShow

NASA television

Veritasium

The Silicon Valley Astronomy Lectures

Numberphile

Carl Sagan's Cosmos

Khan Academy

Online Courses and Course Materials

Massachussets Institute of Technology Open Course Ware (MITOCW)

Coursera

edX

OpenStax College Physics Textbook

Resources for Teachers: Teaching Materials, Lesson Plans and Experiments

Science Inquirer

Berkely's 'Understanding Science'

Sciphile.org

CSW Projects and Activities

Other Resources

PHET interactive simulations

Theories of Everything, Mapped: Quanta Magazine

NASA e-book and podcast downloads

Quantum Spot Academy: Entry Level Resources on Modern Physics