"The Physics Front provides high quality resources for the teaching of physics and physical sciences courses.
The Physics Front is a free service provided by the American Association of Physics Teachers in partnership with the NSF/NSDL. "
Excellent physics resources for teachers - including primary and middle school!
A Maths Dictionary for Kids provides simple and clear definitions of math terms. Each definition includes a small diagram or simple activity to illustrate the term's definition. A Maths Dictionary for Kids does not have a search option, but it doesn't need one as all definitions appear alphabetically just like in a physical dictionary.
Links to a massive collection of science and maths movies on Khan Academy's channel on YouTube. We have 900+ videos on YouTube covering everything from basic arithmetic and algebra to differential equations, physics, chemistry, biology