Renaissance & Reformation Online Resources
http://botw.org/top/Kids_and_Teens/History_and_Government/By_Time_Period/Renaissance/
http://www.socialstudiesforkids.com/subjects/renaissance.htm
http://www.kidspast.com/world-history/0288-the-renaissance.php
http://www.kidskonnect.com/subject-index/16-history/278-renaissance.html
http://encyclopedia.kids.net.au/page/re/Renaissance
http://library.thinkquest.org/C006522/life/children.php
http://www.ducksters.com/history/renaissance.php
http://arthistory.about.com/cs/arthistory10one/a/gen_ren.htm
http://connections.smsd.org/curriculumlinks/renaissance.htm
http://bigsiteofhistory.com/tag/the-renaissance
http://www.mce.k12tn.net/renaissance/inventions.htm
http://www.english-online.at/history/renaissance/renaissance-rebirth-of-europe.htm
http://www.renaissancehandbook.com/default.htm
http://www.italian-renaissance-art.com/index.html
http://www.all-about-renaissance-faires.com/index.htm
http://www.edhelper.com/renaissance.htm This site has a several different articles about the Renaissance, but it only gives sample selections - so it is a good starting point, but more indepth research may need to be done to fully understand the topics it addresses.
Sistine Chapel
http://www.vatican.va/various/cappelle/sistina_vr/index.html