"... The free space simulation that lets you explore our universe in three dimensions. Celestia runs on Windows, Linux, and Mac OS X. "

Graeme Monk you might like this one!

Public data , much of which is brilliant for economics, Science and maths.

"Educational videos, mostly math and physics, from the distance learning classes available at http://www.derekowens.com. These videos are organized at http://www.LucidEducation.com"

"What I use with Physics classes instead of textbook "

"INSTRUCTIONAL Tech, AP physics, projects environmental science, honors physics, physics quest, college prep, and astronomy

"The Physics Classroom Tutorial A set of instructional pages written in an easy-to-understand language and complemented by graphics and Check Your Understanding sections. An ideal starting location for those grasping for understanding or searching for answers. Multimedia Physics Studios A large collection of GIF animations and QuickTime movies designed to demonstrate physics principles in a visual manner. Each animation is accompanied by explanations and links to further information. Shockwave Physics Studios A collection of pages which feature interactive Shockwave files that simulate a physical situation. Users can manipulate a variable and observe the outcome of the change on the physical situation." In addition it contains practice and review resources and teacher tools including a photo gallery, labs and curriculum sheets

"A free ebook in six colour pdf files on physics, the science of motion. Explore the motion of muscles, animals, stones, lightning, stars, light and empty space itself! Be fascinated by the beauty of nature and the concepts of modern physics, from the principle of cosmic lazyness - least action - to gauge symmetry! Browse it here."

simulations, problems quizzes and bibliographies

"This non-calculus, college-level physics curriculum includes Newtonian mechanics, thermodynamics, waves, sound, optics, electricity, magnetism, atomic physics, nuclear physics, and relativity. While there are distinct advantages to learning--either in a classroom or online--with a real physics teacher, there are a number of online references that can help supplement your instruction. "

Free online physics textbook

"Join your fellow educators by sharing your favorite lesson plans, tips, tricks, ideas, presentations, websites, videos and other STEM related resources that may prove useful for others who want to expand their classroom materials. Looking to grow your own library of resources to inspire your students? Browse this intriguing and ever-broadening collection of resources already submitted by your peers. Visit the STEM resources area often, as this area will continue to expand as more and more educators upload multimedia tools each day."

Browse by grade, subject or type of resource

Science Resources for teachers, students and families

Watch the northern lights on live webcam

Interactive on sea ice, sea level, carbon emissions, and average globaltemperatur

fascinating site that profiles some of the greatest scientists.