Innovative and stunning!
Chemistry/Elements sites:
http://www.chem4kids.com/files/elem_intro.html
http://www.infoplease.com/ipa/A0001826.html
http://www.periodictable.com/
http://www.chemicool.com/
https://www.webelements.com/
http://mars.jpl.nasa.gov/allaboutmars/extreme/
http://solarsystem.nasa.gov/planets/mars/needtoknow
http://www.planetsforkids.org/planet-mars.html