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.

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.

Act out the story of two cousins, the town mouse and the country mouse in this Spanish-translated script. When the country mouse visits the town mouse, the two get into all sorts of trouble. The mice just want to feast on a family's leftovers, but a hungry dog and cat find them and start to chase them around. Before long, the country mouse wants to go back to his peaceful home in the country and learns that there really is no place like home! The six roles in this script match different reading levels, enabling teachers to use differentiation strategies in their instruction. These strategies...

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.

El Cantar del Mío Cid es el gran poema épico de la literatura española medieval: es el primer poema compuesto íntegramente en español y no en latín durante la Edad Media. Como todos los poemas épicos, trata de las aventuras de un héroe: Rodrigo Díaz de Vivar, el Cid Campeador. Desterrado por su rey, Alfonso VI, el Cid se ve obligado a irse de Castilla y dejar a su familia. Don Rodrigo, o Ruy, es un caballero muy valiente, honesto y dispuesto a la batalla en la que nunca es derrotado. Durante su exilio conquista los reinos de Valencia, Cataluña y otros. Muy rico y victorioso, es...

Weather is an important science concept at the early elementary level. Recognizing and identifying kinds of weather requires observational skills and certain vocabulary terms. This bright volume allows young meteorologists to correlate weather in carefully selected photographs with descriptive weather vocabulary, such as rainy, sunny, and foggy. It's never too early to tackle this essential STEM theme!

Esta es la historia de Bart, el niño que soñó con las Súper-Ratas, un ejército de roedores entrenados para mejorar la vida de las personas. Pero lo que nadie esperaba es que ayudaría a salvar la vida de miles de personas. Gracias a su olfato, las ratas de Bart detectan minas terrestres por toda África y ayudan a la investigación de enfermedades como la tuberculosis. Con su amor por los animales, su creatividad y perseverancia, Bart ha contribuido a crear un mundo mejor. La historia de Bart Weetjens es la de alguien que, desde muy joven, se dio cuenta de que había cosas a su alrededor ...

For most of history, women have been confined to their households, and to lives without equal rights or equal opportunities. This volume introduces readers to the women of the suffrage movement, the defining movement for women’s rights, especially the right to vote. Primary sources and photographs will show readers firsthand how the challenges and successes of this movement shaped the lives of women across the United States. Readers will also learn about the inequality that still exists for women, and how they can change this injustice in the future.