Science Education Idea Exchange

I am doing some research on when sales are and here is what I found in order of date: Staples - Depends on location; Free gift bag with coupon Office Depot - Depends on location; 20% off, breakfast and give aways Office Max : August 9th- Receive  a free  reusable  tote and  15% off everything inside the tote

There are many free websites that I have stumbled upon that share free ideas.  Here is a couple valuable ones, no matter your subject. http://sciencespot.net/ : Labs, PowerPoint, and worksheets http://www.biologycorner.com/ : Labs, worksheets, pictures, and video worksheets http://www.mysciencebox.org/ : Unit plans with excellent ideas for photosynthesis/cellular respiration and others  http://science-class.net/ : Resources for middle school teachers such as lab ideas for many subjects