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. A snake slithers in an S shape along the forest floor. Science explains how snakes move without limbs. How Snakes Slither explains how a snake's body lets it move smoothly across many surfaces as well as the forces at work that help them glide across the ground. 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