This Illustration was made for a magazine cover called Mundo Estranho (weird world) by Tiago Hoisel
http://digital-art-gallery.com/picture/9397
Your first step should be to review the handbook. It is your primary reference for all things Science Fair at PHS.
Use the tabs across the top of this guide to help along the process of doing your project: choosing a topic, conducting a literature search, constructing and testing your hypothesis, and analyzing your results using the 6 steps of the Scientific Method.