First, if you child is 8 years old or older, you can sign up right now to participate in a free internet-based science program from Quick Study Labs.  Visit the Summer Club page of the website for details. 

Second, if your good at creating your own unit studies, pay a visit to Homeschool Share.  They are accepting submissions for the HSS Blast 2008!  There are lots of great prizes to be won and you can enter starting on May 1st. 

Good luck!