Living things need energy. Plants use sunlight to get energy they can use. Some animals get energy from eating plants. Other animals get energy from eating animals. Food Chains looks at how energy travels up a food chain. 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...

The Moon orbits Earth. It influences Earth's seasons and tides. Explore the Moon reveals the amazing details of Earth's Moon. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject.

A cheetah runs fast to capture its prey. Science explains how many mammals dash across land. How Mammals Run explains how many mammals' bodies let them chase down prey or escape predators, as well as the forces at work that make them so fast. 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...

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...

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...

"From hiking and skiing in the Appalachian Mountains to enjoying festivals and performing arts in the cities, there's a lot to see and do in West Virginia. This state lies in the Southeast. West Virginia introduces the state's history, geography, climate, economy, people, and places. 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...

In 1889, a downpour of rain caused the South Fork Dam to collapse. A huge wave of water rushed into Johnstown, killing thousands of people. The Johnstown Floodexamines the scope of the disaster, its causes, and how people can keep a similar disaster from happening again. 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,...