Behind every jump, spin, and flip of Olympic gymnastics, science is at work. Centrifugal force is at work in a midair spin, and center of gravity is involved in balance beam routines. Newton’s Third Law of Motion springs into action as a gymnast flies into the air in the vaulting event. Find out how science is involved in all your favorite gymnastics events and how gymnasts take science into account as they chase the gold medal.

How do animals live in the harshest environments on Earth?Despite the bitter cold, ferocious winds and six months of darkness, the polar regions are home to many animals. These creatures can survive because of their unique adaptations, explored here through compelling fact-based stories and evocative illustrations. Readers learn about the arctic fox’s furry toe pads that protect her when walking on ice, emperor penguins that huddle in groups around their chicks to keep everyone war...

A unique look at the boreal forest, Earth’s vast and vital wilderness.The boreal forest, the planet’s largest land biome, spans the northern regions like “a scarf around the neck of the world.” Besides providing homes for many species, the forest’s influence is far-reaching: its trees and wetlands clean our air and water and are helping slow global climate change. In this evocative tour, a lyrical fictional narrative is paired with informational sidebars that describe life in the f...

Video games today are more advanced than ever. Players can explore virtual worlds. They can play with friends online. But how do video games work? What are the parts inside a game console? Read this book to find out!

Programs and apps make computers useful. They let you do homework on laptops. They let you play games on smartphones and tablets. What programs and apps are the most important? Who makes them? Read this book to find out!

Audisee® eBooks with Audio combine professional narration and text highlighting for an engaging read aloud experience!Forensic scientists study evidence to figure out who committed a crime. But how do they determine the cause of death? And how do they use trained dogs and devices to track scents? Learn about the latest tools and techniques in use by forensic scientists, and discover how their work helps bring criminals to justice.

Audisee® eBooks with Audio combine professional narration and text highlighting for an engaging read aloud experience!Programs and apps make computers useful. They let you do homework on laptops. They let you play games on smartphones and tablets. What programs and apps are the most important? Who makes them? Read this book to find out!

Forensic scientists study evidence to figure out who committed a crime. But how do they determine the cause of death? And how do they use trained dogs and devices to track scents? Learn about the latest tools and techniques in use by forensic scientists, and discover how their work helps bring criminals to justice.

Audisee® eBooks with Audio combine professional narration and text highlighting for an engaging read aloud experience!Video games today are more advanced than ever. Players can explore virtual worlds. They can play with friends online. But how do video games work? What are the parts inside a game console? Read this book to find out!

A scientists helps arctic-fox researchers discover that some foxes share dens and some mother foxes mate with more than one male fox to give their offspring the highest chance of survival.

Behind every jump, spin, and flip of Olympic gymnastics, science is at work. Centrifugal force is at work in a midair spin, and center of gravity is involved in balance beam routines. Newton’s Third Law of Motion springs into action as a gymnast flies into the air in the vaulting event. Find out how science is involved in all your favorite gymnastics events and how gymnasts take science into account as they chase the gold medal.

Programs and apps make computers useful. They let you do homework on laptops. They let you play games on smartphones and tablets. What programs and apps are the most important? Who makes them? Read this book to find out!