Tras las huellas del ADN

Sharing is a social skill all children need to learn. This book presents sharing as a positive choice, then describes four ways to share. It points out that sharing goes beyond things: children can also share their knowledge, their creativity, and their time. What if they don't want to share, or someone won't share with them? These topics are covered, too. Concrete examples and reinforcing illustrationshelp children practice sharing, understand how and why to share, and realize the benefits of sharing.

Teach students about the Declaration of Independence and the historical events that led up to it, with this Spanish-translated book. Readers will also learn what roles John Adams, Benjamin Franklin, and Thomas Jefferson played in the creation of the document. This book includes engaging images and text features to help readers better understand the vocabulary and social studies content.

Las esponjas, los pulpos, las orcas; todos caben es este poemario sobre el mar. el nimo de divertimento se confirma con las adivinazas finales y diversos juegos de palabras alrededor de la palabra mar.

Describes tornadoes, how they form, and the tools scientists use to predict them--in both English and Spanish