El fantástico viaje al Big Bang

Equality is a contentious issue in our society today. This is why it's important for students to be given information related to equality so they can come to reasonable conclusions of their own. Using age-appropriate language, this book discusses equality in a number of different forms and touches upon why equality is so important in a democracy. The text also explores how extreme equality, like most extremes, could be a bad and unrealistic idea. Readers will gain enough information to understand and think about this complex idea for themselves.

Did you know that swimming pools are used to train astronauts? Athletes use swimming pools to train when they're injured, and doctors use them to help patients feel better. Learn how swimming pools and aquatic therapy help all kinds of people! Created in collaboration with the Smithsonian Institution, this Spanish book ignites a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides English language learners through every step of the engineering design process. Inspire students to pursue a STEAM career with career advice from a real person ...

The idea of the Roaring '20s conjures up images of speakeasies, women with short, saucy hairdos, and hot jazz. Readers will learn about the historical events that define this decade, including the devastating war that preceded it. An explanation about project-based learning will help readers understand how it can help them research their topic in unique and interesting ways. Constructive suggestions offer ideas for projects, while encouraging readers to take their studies in new and interesting directions.

In this Spanish title, learn causes of extinction and what problems extinction causes for animals, wildlife, and humans alike.