فيزياء (عام)
http://hyperphysics.phy-astr.gsu.edu/hbase/hframe.html
http://motionmountain.dse.nl/welcome.html
http://www.lightandmatter.com/area1.html
http://www.upscale.utoronto.ca/GeneralInterest/PVB.html
http://www.pa.msu.edu/courses/1997spring/PHY232/lectures/
http://www.anselm.edu/internet/physics/cbphysics/index.html
http://galileo.phys.virginia.edu/classes/252/home.html
http://www.fearofphysics.com/index1.html
http://samizdat.mines.edu/
http://www.phys.uu.nl/~thooft/theorist.html
______
فلك
http://www.universeadventure.org/fundament...l-beginning.htm
http://csep10.phys.utk.edu/astr161/lect/index.html
http://www.nineplanets.org/
http://www.phys.lsu.edu/astro/H_Book.current/H_Book.shtml
http://www.schulphysik.de/strobel.html
_______________
جغرافيا
http://www.runet.edu/~swoodwar/CLASSES/GEO...iomes/main.html
http://lcweb2.loc.gov/frd/cs/cshome.html
مينيرلوجيا(المعادن)
http://www.mineralogie.uni-wuerzburg.de/links.html
جيولوجيا
http://www.learner.org/interactives/dynami.../structure.html
http://www.learner.org/interactives/dynamicearth/index.html
http://www.learner.org/interactives/volcanoes/index.html
ميتيورولوجيا(الطقس)
http://www.learner.org/interactives/weather/index.html
http://hyperphysics.phy-astr.gsu.edu/hbase/hframe.html
http://motionmountain.dse.nl/welcome.html
http://www.lightandmatter.com/area1.html
http://www.upscale.utoronto.ca/GeneralInterest/PVB.html
http://www.pa.msu.edu/courses/1997spring/PHY232/lectures/
http://www.anselm.edu/internet/physics/cbphysics/index.html
http://galileo.phys.virginia.edu/classes/252/home.html
http://www.fearofphysics.com/index1.html
http://samizdat.mines.edu/
http://www.phys.uu.nl/~thooft/theorist.html
______
فلك
http://www.universeadventure.org/fundament...l-beginning.htm
http://csep10.phys.utk.edu/astr161/lect/index.html
http://www.nineplanets.org/
http://www.phys.lsu.edu/astro/H_Book.current/H_Book.shtml
http://www.schulphysik.de/strobel.html
_______________
جغرافيا
http://www.runet.edu/~swoodwar/CLASSES/GEO...iomes/main.html
http://lcweb2.loc.gov/frd/cs/cshome.html
مينيرلوجيا(المعادن)
http://www.mineralogie.uni-wuerzburg.de/links.html
جيولوجيا
http://www.learner.org/interactives/dynami.../structure.html
http://www.learner.org/interactives/dynamicearth/index.html
http://www.learner.org/interactives/volcanoes/index.html
ميتيورولوجيا(الطقس)
http://www.learner.org/interactives/weather/index.html