La naturaleza de la materia (The Nature of Matter)

Take a journey into the wild world of reptiles and amphibians! Readers will learn about crocodiles, lizards, snakes, tortoises, and salamanders. Featuring a glossary, index, colorful images and charts, intriguing facts, and clear, informative text, readers will be sure to be enthralled as they move through this engaging, Spanish-translated book.

What did people use to buy things before money was invented? Where is money made? Find out in this inviting book that informs readers about coins, paper money, the Federal Reserve, exchange rates, and checking accounts. Featuring a timeline of money's history, detailed photos, stimulating facts, clear, informational text, and a glossary that will assist in improving vocabulary, this Spanish-translated nonfiction title will keep readers engaged from cover to cover.

In this biographical book, young readers will learn about the brave life of Harriet Tubman. Readers will discover how Tubman bravely escaped from her life as a slave to cross the Mason-Dixon line into freedom and how she helped hundreds of other slaves into freedom through the Underground Railroad with the help of abolitionists. The vivid images, stunning facts, and supportive text work in conjunction with the helpful glossary, index, and timeline of Tubman's life to give readers an engaging experience as they move from cover to cover. This book has been translated into Spanish.

Read Along or Enhanced eBook: Did you know that most animals in the world don't have backbones? Learn more about invertebrates in this engaging, Spanish-translated nonfiction book. Readers will learn all about mollusks, arthropods, arachnids, and crustaceans while being stimulated from cover to cover with its detailed images and charts, intriguing facts, and informative text.

When Eco the bear realizes that his friends the bees are missing, he decides to go look for them. His journey takes him around the world where he meets 11 different characters attempting to solve some of the world's greatest problems—air and water pollution, consumerism, extinction, deforestation, global warming, hunger, lack of education, poverty, and war. Each chapter focuses on one world problem and includes activities for children to learn about the social and ecological issues involved with each. Cuando Eco el osito se da cuenta de que sus amigos las abejas han desaparecido, decide ir...

El Proyecto Aristóteles es un centro de creación de materiales didácticos en áreas fundamentales de la educación. Este libro es el Tomo I de la Colección de Problemas de Matemáticas para 4º de Primaria, organizada en progresión de dificultad. En él encontrarás 150 problemas de multiplicaciones, divisiones, fracciones, magnitudes, etc., con los que poner a prueba los conocimientos matemáticos de los niños de esta edad.

Los lectores j©Øovenes encuentran hechos interesantes sobre Saturno el planeta anillado. Descubra de qu©Øe est©Øa hecho o cu©Øantas lunas tiene.

Las recetas y técnicas del Master Chef Kids para que cocinen sano, divertido y fácil los más chicos de la casa.