¡Pop! Presión del aire y del agua (Pop! Air and Water Pressure) 6-Pack

In this stimulating, Spanish-translated nonfiction book, readers will discover the various types of friction--including rolling friction, sliding friction, fluid friction, and static friction--and the huge impact it has on nature, machines, and our lives. In addition, readers are encouraged to perform basic experiments to assist in the understanding of friction, kinetic energy, and water resistance. With real-life examples, colorful images, accommodating graphs and charts, and informational text, this title will inspire and engage children.

Accelerate through the pages of this book and introduce readers to physics and how it assists objects to move. This stimulating, Spanish-translated nonfiction title includes real-life examples and basic experiments to facilitate further understanding of physics. Readers will learn about velocity, Newton's Second Law of Motion, thrust, gravity, momentum, and g-force through vibrant and colorful images, fascinating facts in conjunction with informational text, accommodating graphs and diagrams.

Read Along or Enhanced eBook: Travel to the 22nd century in this captivating, Spanish-translated nonfiction title that allows readers to discover the future of space. Elementary readers will be fascinated with the possibilities that may await human life in the future. Readers will discover the technology that may be used to one day allow humans to live on another planet, new worlds, alien life, and artificial intelligence. Featuring vibrant photos, images, informational text, a glossary of terms, and a list of helpful websites for more explorations, children will be excited and enthralled as...

Did you know that nature is the world's largest science and engineering lab? Learn how designers and engineers use biomimicry to create or improve products. This title supports NGSS for Engineering Design.

When people go to sleep, bats are just waking up. While young readers may recognize the image of bats in the night skies, where they live may be less familiar. This title takes readers inside bat roosts to uncover the fascinating facts about this creature. Readers will learn the basics of bat roosts—in caves and beyond—and how they help bats survive in the wild. The text also looks at bat’s appearance, behavior, and the crucial role they play in nature’s ecosystems—topics covered in most elementary science curricula. Diagrams, fact boxes, colorful images encourage learning.

When the Louisiana Territory was added to the United States in 1803, it about doubled the size of the young nation. It took years to clarify its boundaries and explore every square mile. How this momentous purchase came to be and its implications on the future of the United States are explained in detail in this book. Uncomplicated maps and simple language help developing readers and those in need of review to understand the many changes in this land that started with its purchase in 1803.

A little child asks the "big question" (grande question) that is never formulated: why are we on earth? and get answers from different people.