In Canals and Dams! With 25 Science Projects for Kids, kids ages 7 to 10 explore these feats of engineering and discover the science behind the structures. Elementary school kids learn the laws of physics that create electricity from water, and discover what engineers and construction teams had to do to stay safe when building canals and dams. Readers engage in student-driven STEAM activities that reinforce learning and allow for plenty of discovery about the engineering design process, simple machines, and the laws of physics!