Science Fair ideas http://school.discovery.com/sciencefaircentral/
Some Great Science Fair Ideas - specifically for middle school http://www.cdli.ca/sciencefairs/intermed.html
Holt Science & Technology (classroom science textbook). You will need your user name and password. http://hrw.com/register
Physics for the Absolute Beginner http://physics.webplasma.com/physicstoc.html
Science Fair Ideas http://www.scienceproject.com/projects/index/intermed.asp
Science Fair Ideas http://www.juliantrubin.com/fairprojects.html
Energy Conversions Interactive Website http://cpucips.sdsu.edu/petsims/index2.html
Energy Kids Page http://www.eia.doe.gov/kids/energyfacts/science/formsofenergy.html#forms
Create a Graph http://nces.ed.gov/nceskids/createagraph/default.aspx
Electricity Webquest http://www.thetech.org/exhibits/online/topics/1xa_flash.html
Fun Sites - Virtual Rubik's Cube http://www.randelshofer.ch/rubik/virtualcubes/virtual_rubik_en.html
Try Layering Liquids at Home http://scifun.chem.wisc.edu/homeexpts/layeredliquids.htm
More Science Fair Ideas - Use Topic Wizard http://www.sciencebuddies.org/
Chemistry Overview http://www.chem4kids.com
Great Interactive Periodic Table Includes Orbits http://www.dayah.com/periodic/
DHMO http://www.dhmo.org/facts.html
Interactive Periodic Table Information and illustrations for the Atomic Model http://www.chemicalelements.com
Interactive Periodic Table More information for the Element Brochure http://www.chemicool.com
Fun Physical Science Website http://www.usoe.k12.ut.us/curr/science/sciber00/8th/forces/sciber/intro.htm
Watch This Golfball Move! This is a VERY,VERY complicated version of your project. Yours is much simpler. But this is FUN to watch. http://www.chilloutzone.de/files/player.swf?b=10&l=197&u=ILLUMllSOOAvIF//P_LxP92A42lCHCeeWCejXnHAS/c ]http://www.chilloutzone.de/files/player.swf?b=10&l=197&u=ILLUMllSOOAvIF//P_LxP92A42lCHCeeWCejXnHAS/c
Watch and Listen to Tom Lehrer's Element Song http://www.privatehand.com/flash/elements.html