A gecko can climb up a smooth glass window. Science explains how critters scale seemingly slippery surfaces. How Critters Climb explains how climbing animals' bodies let them travel up walls and tree trunks as well as the forces at work to keep their feet on the surface. 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,...

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. Aligned to Common Core Standards and correlated...

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...

A fish wiggles its tail to push through the water. Science explains how fish glide underwater. How Fish Swim explains how a fish's body lets it slice through the water, and the forces at work to keep them swimming along. 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. Aligned to Common Core Standards...