machinery

Ten humorously terrifying tales that include a villainous vending machine that eats kids like candy, a birthday-party crashing robot, an evil app that can predict exactly how anyone who uses it will die, and more.

Readers learn how this simple machine makes it easier to keep objects locked together.

Readers learn how this simple machine makes it easier to split things apart or stop them from moving.

Learn about how an inclined plane works! Beginner readers and budding young scientists will love learning about using simple machines in everyday situations.

Describe los planos inclinados y las formas en que se utilizan.

Analiza las cu?as y las formas en que se utilizan.

Explores the future of farming on a global scale, including the environmental, political, social, and economic implications of farming.

Explores the geometry of cylinders using real-world examples.

Demonstrates how the crane, bulldozer, dump truck, and other construction machines all play a part in building a new park.

"[A] reader . . . about all kinds of incredible machines that can go fast, deep into the ocean and high into the skies and even into space"--Provided by publisher.