Grade 6

Sophie Kowalevski was both a brilliant mathematician and a talented writer. Creative work nurtured her mathematical research, giving her a flexibility of thought she treasured. A wonderful… Read More →

Two-thirds of adults and nearly one-third of children in the United States are overweight or obese. The rate of obesity in children and adolescents has reached epidemic proportions. USA… Read More →

Have you ever wondered why things drop to the ground instead of float or fly? Or how a heavy satellite can orbit Earth without crashing into it? From Copernicus and Kepler to Galileo and… Read More →

"Early intervention helps kids who need treatment," clarifies a headline in USA TODAY, the Nation's No. 1 Newspaper, in an article about obsessive-compulsive disorder (OCD). This… Read More →

La Tierra está compuesta en casi un 70 % por agua. La mayor parte de esta agua está congelada en forma de glaciares. A medida que nuestro planeta se calienta, los glaciares se están… Read More →

Ahoy! You're an accidental pilot aboard a submarine that's sinking fast! Solve the puzzles to take control and navigate safely back to land. Devised by an expert on brain training, these… Read More →

Earth is nearly 70 percent water. Most of this water is frozen in the form of glaciers. As our planet warms, glaciers are melting faster than usual. Sea levels rise, and water washes over… Read More →

Readers will find this charming, funny, easy-to-read middle-grade novel from the beloved Patrick Jennings an absolute hoot! When the new kid joins his class, Woodrow agrees with his… Read More →

Will Odwar learn the lesson that strength of heart is the most powerful strength of all? After their spectacular showdown against the Red Oloibon, Odwar and his friends are hoping for a bit… Read More →

After finally winning the decade-long war against the Trojans, Odysseus, captain of the Greek Army, only has to guide his men back home, across the sea. Yet the journey will prove just as… Read More →

When their road trips takes a turn for disaster, these teens must rely on their instincts to survive. Nora and her twin sister Livi are road tripping down the Pacific coast—Livi to interview Read More →

Wyatt has spent most of the summer mountain biking with his best friend Tanka. But when the friends decide to test out a new trail, they face potentially deadly challenges. After a crash… Read More →

Between finishing late school projects and looking after her brothers and sister, Faith Patel barely has time to play soccer. And when she's at practice, surrounded by girls who can afford to Read More →

Dr. Seuss is known as the creator of some of the most beloved children's books of all time. Journey to the fantastic world he created in this appealing story about the author/illustrator… Read More →

Have you seen a bird today? Probably, unless you’re reading this in bed. Did you notice what was really interesting about that the bird? Investigating a bird is like solving a puzzle. To… Read More →

Paley Dixon is not excited about six weeks on a horse ranch without access to the virtual world of Dragonfyre. In-game, she's the Blue Elf, strong and powerful. In the real world, she's… Read More →

Trevor and Micah set out on what they think will be a fun day of rock climbing and hiking. But after Micah takes a bad fall, injuring himself in the process, the trip is off to a bad start.… Read More →

You may know that the U.K. pop group One Direction broke records when it hit the U.S. music scene. The singers' album Up All Night debuted at number one on the U.S. Billboard charts. But did… Read More →

On July 16, 1969, Apollo 11 launched into space with the astronauts who would become the first people to walk on the moon. Thousands of scientists, engineers, and other National Aeronautics… Read More →

It's never easy to go back, especially when the memories you've been running from suddenly resurface. When Annie returns to her home village after a long absence, she rediscovers the diary… Read More →

Point guard Mercedes Morgan is on track to set the all-state record for three-pointers. She's even caught the attention of a big-time college recruiter. But her sister has fallen in with a… Read More →

Strength, power, and keen senses are a few of the traits that make crocodiles some of world’s best hunters. Saltwater crocodiles are the largest of all crocodiles, and Nile crocodiles are… Read More →

Eagles are top predators in nearly every habitat of the world. Two of the largest kinds of eagles are the Steller’s sea eagle and harpy eagle. Keen sight and amazing flight make them great… Read More →