La fiebre del oro

Over the years, people have looked for ways to improve our imperfect sight. This has led us to the world of optics, which is the study of light and how it travels. What are some of these innovations that have changed how we see the world, and how do they work? Find the answers to these questions with this Smithsonian Informational Text! Created in collaboration with the Smithsonian Institution, this text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step...

Take a trip to the British Museum as you explore its fascinating objects and geometric shapes! This famous London museum was built for exploration - and for learning geometry. Learn about its history and artifacts as you build your geometry skills. This Spanish math book seamlessly integrates the teaching of math and reading, and uses real-world examples to teach math concepts. Text features include images, a glossary, an index, captions, and a table of contents to build students' vocabulary and reading comprehension skills as they interact with the text. The rigorous practice problems,...

Students will develop their math skills while engaged in reading about the importance of honeybees. This nonfiction math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, intriguing sidebars, practice problems, and math diagrams make learning place value relevant and fun. Text features include a table of contents, glossary, and index to increase understanding of math and reading concepts. An in-depth problem-solving section provides additional learning and practice opportunities while challenging...

This book is a fun and kidfriendly approach to prayer for a very special audience. Written with young hearts in mind, this short, easytoread book for 7 to 12 year olds, helps children learn to talk to God in a way that is meaningful and relational. Interactive callouts, sample prayers, and places to record their own words to God are sprinkled throughout the pages.

La ecología emocional es el arte de gestionar, de manera sostenible, nuestro mundo emocional de forma que nuestra energía afectiva nos sirva para mejorar como personas, para aumentar la calidad de nuestras relaciones personales y para mejorar el mundo en que vivimos. La ecología emocional ofrece un planteamiento nuevo, creativo y revolucionario en educación emocional que trabaja al mismo tiempo aspectos educativos emocionales y medioambientales, y que apuesta por formar un nuevo modelo de persona: la persona emocionalmente ecológica. En este volumen descubriremos que la vida es un viaje...

There is so much to explore in the Amazon! Readers are taken on an adventure through the Amazon rainforest to learn about the lush plants and beautiful animals, deforestation, and rainforest conservation in this fascinating, Spanish-translated nonfiction title that features striking photographs and riveting facts.

¡Conoce al iguanodon, un dinosaurio herbívoro que pesaba toneladas literalmente! Las imágenes coloridas ayudan a los lectores a aprender cómo era la vida para estos comedores de plantas de punta. Meet the iguanodon, an herbivore dinosaur who weighed tons—literally! Now in Spanish, carefully leveled text and colorful images help readers learn what life was like for these spiky-thumbed plant-eaters.