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Young investigators discover for themselves how humans learn, as they delve into the mysteries of their shared DNA. Figure out a little brother or sister by analyzing what a very young child can see…learn about relationships through activities that analyze birth order and how siblings resolve conflict. As with all the books in our Science Fair Winners series, this refreshing volume promises creative and irresistible experiments that will awake...

Pull on your gloves and experience the science of trashology! It's all about the stuff that's thrown away: analyzing the waste produced by your school's cafeteria, understanding the decomposition rates of garbage bags, comparing the cost effectiveness of one-use batteries versus rechargeables. This book is peppered with enlightening extras and humorous asides, such as background stories from expert "trashologists." Plus, kids get tips on how t...