First big book of how

"How do refrigerators stay cold? How does water come out of the faucet? Answers to these questions and many more will help parents move beyond the stock answer "because" and give level-appropriate, fascinating, true answers. More than 300 photos bring a child's world to life while satisfying kids' curiosity and sense of fun. Questions in each chapter encourage interactivity, and parent tips extend the experience of the book."--