14 y más

Describes the physical characteristics, habits, and natural environment of the huge plant-eating apatosaurus and discusses theories on why it became extinct.

"A Plant-eating Giant:

Can you picture the world as it was many millions of years ago?

Things looked very different then.  The Earth was continually changing.

Separate continents were still forming.  There were no humans yet.  This was the Mesozoic era, a time also known as the Age of the Dinosaurs.

What are dinosaurs?"

A True Book: Could Self-Driving cars improve safety on the road? Experts predictions. Timeline, photos, true facts that will shock and amaze you!

War has been a fact of life ever since the dawn of civilization. But while armies once charged into battle with little more than wooden clubs or stone axes, centuries of innovation have led to a wide range of powerful and efficient weaponry. Readers will trace the history of weapons and other military technology, including such developments as guns, tanks, and guided missiles. They will also learn what today’s top engineers and scientists are working on and how these new weapons could change the way wars are fought.

Discusses the history of 3D printing and the latest advancements in the field, as well as what it takes to land a career in the 3D printing industry.

In 1942, a man-made craft was launched into outer space for the first time in history. Since then, many of the world’s best and brightest minds have dedicated themselves to exploring the furthest reaches of the universe. Readers will learn about some of the greatest space missions in history and find out what today’s top engineers and scientists are doing to advance space exploration to new heights. They will also find out what it takes to begin a career in space exploration and how different workers can fill a variety of roles in the quest to reach distant planets and stars.

From early successes such as Steamboat Willie and the Merrie Melodies series to modern masterpieces such as WALL-E and Spirited Away, the world of animated film and television has come a long way since its beginning. Readers will trace the history of animation from its earliest roots to its most recent successes and beyond. They will also learn about the different types of artists, engineers, and filmmakers who have made this incredible blend of art and technology possible throughout the decades. The complex text in this title allows readers to determine the main idea and explain how it is supported by key details. The diagrams, charts, and graphs add clarity and help students navigate the text.