Dentro de los ecosistemas y los biomas (Inside Ecosystems and Biomes)

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.

A force is a push, a pull, or a turn. Every force has an equal and opposite force. Forces are always with you! They are all around us. Learn about forces with this Spanish science reader that features easy-to-read text. Nonfiction text features include a glossary, index, and detailed images to facilitate close reading and help students connect back to the text. Aligned to state and national standards, the book also includes a fun and engaging science experiment to develop critical thinking and help students practice what they have learned.

Read Along or Enhanced eBook: Discover the world of mammals in this delightful nonfiction title! Readers will learn all about different mammals--from primates to marsupials, and rabbits to whales, even omnivores and herbivores. Featuring vivid photos and charts, clear text, and stimulating facts, this Spanish-translated book will have children eager to learn all they can about mammals!

Introduce students to immigration in America in the 1800s, and how it affected the United States. With this Spanish-translated book, readers will discover topics such as Ellis Island, Angel Island, and assimilation. Primary source images, fascinating facts, a glossary, and other features keep students engaged and help them better understand the social studies content.

La saga de los Bernoulli, una familia burguesa de comerciantes y farmacéuticos, está repleta de fascinantes historias de aventuras migratorias, de desafíos intelectuales y sobre todo de mucha matemática. La época en que se desarrollan los acontecimientos narrados está impregnada de un pensamiento humanista y renovador. El ritmo de desarrollo de la ciencia en esta época se acelera. La solución de problemas científico-técnicos se convierte en asunto de importancia estatal. El dominio de los recursos del nuevo cálculo creaba una sensación de posibilidad de resolución de semejantes...

Nací cuando mis padres ya no se querían", recuerda Adriana, mucho después de que todo haya sucedido. Por ello, la niña se crea un paraiso propio, poblado por amigos imaginarios y una familia de su elección. Esta felicidad a medida se ve perturbada cuando Adriana debe iniciar el periplo escolar y entrar definitivamente en el mundo de los adultos, un entorno que le resulta ajeno cuando no hostil. Sin embargo, siempre queda un refugio bajo las relucientes estrellas escondidas en los cristales de la lámpara del salón.

¡Estás a punto de descubrirlo! Abre este libro y explora el asombroso mundo de la biología: la ciencia que estudia a los seres vivos, desde las enormes ballenas azules hasta las microscópicas bacterias que viven en tu piel. En estas páginas conocerás de cerca plantas que comen carne, cerebros que te engañan, hongos cocineros y muchos otros seres extraordinarios. Sin perder el humor descubrirás que todo a tu alrededor... ¡está vivo!

What has a striped tail, red fur, and long, white whiskers? If you guessed a red panda, 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 children with key...