The best answer for this Y! question has links to 11 different science project sites. .;_ylv=3?qid=20071103123700AA7mz9N

Browse through them. Maybe you’ll see something that interests you. Remember, the most important thing is to have fun with the project!

Create a model for an atom and write a few paragraphs about the atom such as uses, structure of the atom, where you find it, and interesting facts.