Book excerpt: Solve kid-sized dilemmas and mysteries with the Science Solves It! series. These fun books for kids ages 5–8 blend clever stories with real-life science. Why did the dog turn green? Can you control a hiccup? Is that a UFO? Find the answers to these questions and more as kid characters dive into physical, life, and earth sciences. Sara does everything fast - too fast. She builds a soapbox derby racer in one day and it falls apart. Then Sara discovers friction and not only wins the derby but has to slow down to do it! Books in this perfect STEM series will help kids think like scientists and get ahead in the classroom. Activities and experiments are included in every book! (Level Two; Science topic: Friction)