MACMILLAN/MCGRAW-HILL http://activities.macmillanmh.com/science/ca/
SIMULATION: CIRCUIT CONSTRUCTION LEARN ABOUT CIRCUIT CONSTRUCTIONS. http://phet.colorado.edu/en/simulation/circuit-construction-kit-ac
SIMULATION: CHARGES-AND-FIELDS http://phet.colorado.edu/en/simulation/charges-and-fields
SIMULATION: BATTERY-RESISTOR-CIRCUIT http://phet.colorado.edu/en/simulation/battery-resistor-circuit
SIMULATION: BUILD -AN-ATOM http://phet.colorado.edu/en/simulation/build-an-atom
SIMULATION: STATES-OF-MATTER http://phet.colorado.edu/en/simulation/states-of-matter
SIMULATION: GAS PROPERTIES http://phet.colorado.edu/en/simulation/gas-properties
ORIGIN OF PERIODIC TABLE: MENDELEEV http://www.colorado.edu/physics/2000/periodic_table/index.html
WEATHER http://www.weatherwizkids.com/
SCIENCE FRIDAY See, hear, and read about the latest issues, experiments, and breakthroughs in modern science. http://www.sciencefriday.com/
NATIONAL GEOGRAPHIC FOR KIDS http://kids.nationalgeographic.com/kids/
SYSTEM MOVIES http://www.kidshealth.org/kid/closet/movies/how_the_body_works_interim.html