Science holds the answers to why a bird can fly through the sky and how a fish can swim so quickly through the water. The Science of Animal Movement explains how the shape of an animal's body works with its surroundings, letting it move in its own special way. Birds flap their wings and rise into the air. Science explains how a bird can travel in the air. How Birds Fly explains how a bird's body lets it fly high as well as the forces at work to keep it in the sky. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents, infographics, a glossary, additional resources, and an index. AGES: 7 to 9