We are glad that you have decided to use hydroponics as your science experiment! We will help guide you along with your experiment and give you some simple ideas. Make sure to read the other sections of the Atlantis Hydroponics web page to give you a better understanding of hydroponics and the advantages of gardening without soil. Also check the University of Arizona's Hydroponics site for great additional background.  Hydroponics is an easy inexpensive way to test many different variables in soil and hydroponic gardening. Let’s get started!