Barbara Gardner Conklin & Robert Gardner 
Ace Your Human Biology Science Project [PDF ebook] 
Great Science Fair Ideas

How do joints work? How do sense receptors work? What type of personality do you have? Readers will learn the answers to these questions and more with the fun experiments in this book. Young scientists will explore human body systems and behavior. Many experiments include ideas readers can use for their science fair. Readers will learn about the scientific method, too.