I've been exploring lately. Here are a few Internet gems you've just got to try.
If you want to create a word search you can print out, check out www.teacherly.com/. Now that you've made yours, just what do you do with it? Check this out: http://www.curbly.com/DIY-Maven/posts/5074-How-to-make-a-Word-Search-greeting-card-
If you want a giggle... trust me, I laughed until I cried. Check out http://cakewrecks.blogspot.com/. I really liked the section to the right called fan favorites.
And, in honor of Emily taking biology this year, I bring to you this. For just $4, you can get the pattern to create a knitted dissected lab rat. You must see this to believe it. http://www.etsy.com/view_listing.php?listing_id=14627496