it's called feng shui. kristen found out that lots of kids use feng shui without even knowing it. >> i think it's important to be organized so you can find things when you are doing your homework. >> i have my books on one side, paper on another, pens in front of me. >> my room is light blue, and it's verery good, 'cause it giv a cool kind of effect. it's not too harsh, and i could concentrate. >> reporter: it may sound like they're just comparing study habits. but these students are actually adopting the principles of an ancient chinese practice, feng shui. >> feng shui means wind and water, and the study of feng shui is all about how the energy flows within your life, your home. if the energy is not flowing properly, it can affect your daily life, actually your whole life, in the way you study and the way you absorb and take in information. >> reporter: you don't have to have things from the far east to have feng shui. but you do have to develop a sense of what's getting in the way of that flow of energy.