Los Artículos de la Confederación (Articles of Confederation)

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.

Expanding on our popular Let’s Explore Science series, this book focuses on the scientific method. The scientific method is a step-by-step process for solving science problems. Scientists use it every day. Explaining each of the five parts; observing and asking questions, researching your topic, forming a hypothesis and testing it, designing and conducting an experiment, and analyzing and drawing conclusions from your result are all mapped out in detail. Learn how this straightforward topic can sometimes be a little trickier than it seems! This book will allow students to generate and...

What has lots of tiny eyes, a hard shiny body, and huge black claws? If you guessed an emperor scorpion, you're right! This book introduces early readers to a mystery animal by describing its features, one by one, using short simple sentences and eye-popping full-color photos. At the end of the book, the secret animal is revealed across a colorful, two-page spread. Young children will love showing off their beginning reading skills as they learn about this dazzling collection of wild and wonderful zoo animals--one clue at a time! Fast facts and habitat maps at the end of the book provide...

Learn about some animals that are in danger of becoming extinct and what people are doing to Save the Animals.

Todos los objetos, elementos o personas tienen una silueta que los define y que constituye su figura. Hay muchísimas figuras posibles, pero todas tienen unas particularidades que permiten identificarlas. Los 12 ejercicios del libro están pensados precisamente para trabajar las características de esas figuras haciendo, por ejemplo, la silueta de una silla con una serpentina, o construyendo la figura de una pelota a partir de diferentes trozos de papel rasgado. Asimismo, muchos de los ejercicios del libro se detienen en las propiedades de la figura humana para conocer sus partes más...