You may use these activities during study hall as long as you can honestly agree to the following:
On my honor, I am finished with what I need to do. I am passing all my classes and am not here under false pretenses. I just want to relax for a little while. I might even learn something...
http://www.exploratorium.edu/explore/online.htmlhttp://kids.niehs.nih.gov/home.htm- the brainteasers sections and the optical illusion link in the games section are especially interestinghttp://snowflakes.barkleyus.com/
"The cure for boredom is curiosity. There is no cure for curiosity."~Dorothy Parker