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...

Essays by well-known climbers accompany a range of superb color landscape photographs that echo the great traditions of the Ansel Adams and the Sierra Club large format books of the 1970s.

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

Take a bat, a ball, a mitt, and a warm summer day. Put them all together and you've got the great game of baseball! From the basic rules of baseball to All-Star Games, the first World Series, and the Hall of Fame, readers learn all about America's national pastime in this Spanish-translated nonfiction title that features plenty of colorful images, timelines, charts, and informational text. This 6-Pack includes six copies of this title and a lesson plan.

Hace más de cuatrocientos años, Galileo dirigió su telescopio hacia el cielo: ese fue el inicio de una exploración increíblemente emocionante de la inmensidad del Universo. Con este libro viajaremos por el cosmos, calcularemos la fuerza de la gravedad, descubriremos Urano y los rayos infrarrojos, entraremos en el código secreto de las estrellas, averiguaremos a qué distancia están las galaxias, conoceremos las gigantes rojas, el eco del Big Bang, los agujeros negros y también nos enteraremos de por qué el color de una estrella puede revelarnos su velocidad.