Engines! With 25 Science Projects for Kids by Donna McKinney, young readers, ages 7 to 10 will find this full-color introduction to engines and motors, and how they power our world. Engines have been powering people's lives since ancient times. Engines will be explored through hands-on STEM projects that deepen the understanding of engines, what makes them go, and all the special jobs they do to help us. The 25 hands-on, science projects include building a catapult, a milk-carton conveyor belt, and a magnet-powered car. Also includes fascinating trivia, essential questions, links to online resources, text-to-world connections, and even jokes to help deepen the learning process. Paperback, 96 pages.