La naturaleza de la materia (The Nature of Matter)

Read Along or Enhanced eBook: 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.

Give students insight into the Industrial Revolution, how it influenced innovation and employment in the United States, and how it changed the lives of Americans at the beginning of the 20th century. With this nonfiction Spanish-translated book, readers will learn about assembly lines, patents, labor unions, child labor laws, labor unions, muckrakers, and immigrant and slave labor. Colorful images, supporting text, a glossary, and other features keep students engaged and help them better understand the content.

Many insects hatch from eggs and molt several times as they grow bigger. Others, such as butterflies, undergo a complete metamorphosis. A common science curriculum topic, insect life cycles may be confusing because of these differences. However, this book breaks down these cycles into easy-to-understand steps in both accessible language and colorful diagrams readers can turn to for review again and again. The most important vocabulary needed to talk about insect life cycles is further explained in fact boxes and an extended glossary.

Un libro de todo cartón que nos presenta en cada doble página a un animal de granja (el pollito, el cordero, la vaca, el perro¿) con un dibujo y un texto rimado que lo describe, y un rompecabezas de nueve piezas que representa a estos mismos animales. Pensado para que los más pequeños pasen el rato fijándose en los dibujos del libro y jugando a resolver el rompecabezas.

Villancicos clásicos son perfectos para reflexionar sobre el verdadero significado de la temporada Navideña. Enséñale a los niños sobre los regalos que los tres reyes magos trajeron a Jesús. La estrella brillante era su guía al viajar sobre las montañas para ver el Salvador del mundo. "Nosotros somos los tres reyes magos de Oriente Atravesamos desde lejos con regalos. Campo y fuente, páramo y montaña, siguiendo a la estrella de allá. Belén, he traído oro para coronarlo de nuevo. Rey para siempre, nunca ha de doblegarse sobre todos nosotros reinará. Oh estrella maravillosa,...

"Discusses the role of the oceans on Earth and introduces waves, tides, and water pressure"--Provided by publisher.