Most people have seen or heard about flying drones and their many uses, but have you heard about drones in the water? What are they used for, and how are they waterproof? With this volume, readers will learn what an underwater drone is and how it operates. Students will discover how people use drones to explore shipwrecks, coral reefs, and other underwater sites. They'll find out how the use of drones helps scientists obtain data about the water, and they'll learn about drone rules and safety protocols. Photographs, diagrams, and graphic organizers will help readers visualize the concepts, and fact boxes enhance the narrative.