La fiebre del oro (The Gold Rush)

Our toilets toil away for us every day. Yet, they get little thanks for their hard work! When you think of toilets, you probably picture one in your home. But, toilets can be very different around the world. At first glance, a toilet is a simple device, but they are critical for proper sanitation. There are many people worldwide who do not have access to a toilet. Let's dive into an exploration of the history, importance, and inner workings of toilets! This Spanish book combines math and literacy skills and uses everyday examples of problem solving to teach subject area content. The...

Rain, sunshine, warm fronts, and cold fronts. Have you ever listened to a weather report? Knowing the weather can help us plan ahead. But reporters aren’t the only ones who can track weather. You can, too! This nonfiction Spanish book explores the subject of meteorology in depth, and introduces students to important scientific concepts and vocabulary like anemometer, barometer, air pressure, warm front, cold front, rain gauge, probability, Celsius, Fahrenheit, and more. The colorful images, diagrams, sidebars, and text features will keep students connected to the text. Aligned to state and...

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...

Con la conquista de los cielos, el ser humano ha puesto a prueba su fisiología, llevando a su organismo hasta límites impensados. Con el avance en el vuelo, el cuerpo se ha visto cada vez más expuesto a diferentes situaciones que comenzaron a causar afecciones fisiológicas en todo su organismo. Cambios te presión, cambios de temperatura, exposición a radiación, entre otro. Fisiología aeronáutica es una obra dedicada al estudio y análisis de las principales afecciones a las que el organismo humano se ve expuesto durante las actividades u operaciones aéreas. Es importante que el...

Illustrations with transparent overlays and brief text introduce children to animals all over the world.

Read Along or Enhanced eBook: Elementary readers learn about famous pirates and pirate history in this informative, Spanish-translated nonfiction title. Through colorful images, fascinating facts, informational text, and compelling stories, children will learn about famous pirates such as Captain Kidd, Blackbeard, Anne Bonny, Black Bart, Edward Low, Lady Mary Killigrew, and Mrs. Cheng.

Un viaje interactivo para descubrir Sri Lanka, una isla en el Océano Índico, a través de su gente, vida salvaje, tradiciones, cultura, comida, historia, leyendas y deportes. El libro está completamente ilustrado a mano con objetos escondidos para buscar. Su páginas también tienen preguntas para que los lectores puedan relacionarse con lo leído. Pequeños y mayores lo podrán disfrutar juntos y explorar una tierra nueva a través de la belleza de la ilustraciones, animaciones y sonidos mágicos. ¡Vuela con tu imaginación! *Esta versión interactiva únicamente se puede leer con un...