Rastreo del tiempo (Tracking the Weather)

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...

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...

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...

Before she became First Lady of the United States, Melania Trump was known for being a model in the fashion industry. In this engaging volume, readers get to take a look into her life, from her early years in Europe and her emigration to the United States to her move into the White House. Colorful photographs paired with concise text make for a captivating book that is sure to appeal to readers of many ages and levels.

La configuración de las mercancías en unidades de carga es un factor clave para asegurar la calidad en el transporte y la manipulación de las mercancías. Este manual reúne los conceptos fundamentales acerca de la formación de las unidades de carga para su traslado en todos los modos de transporte, con el fin de garantizar que alcancen su destino en el momento previsto, en óptimas condiciones y con el mínimo costo. Se definen los elementos que otorgan seguridad y estabilidad a la unidad de carga, los envases y embalajes, las tipologías de las cargas y los tipos de unidades de carga,...

Susana, una niña española que padece anorexia, se traslada una temporada al campo con sus abuelos; allí conoce a Nicoleta, una niña rumana cuyos padres han llegado aquí en busca de trabajo. Dos maneras de ver el mundo y de afrontar la realidad totalmente diferentes que, lejos de provocar enfrentamientos, llegan a entenderse y a ayudarse. En esta ocasión, nuestra joven autora nos ha planteado una situación real como la vida misma que ha tratado con una humanidad y una delicadeza especiales; la amistad y la confianza en los demás se ganan paso poco a poco para solucionar los problemas a ...

"No matter what the weather's like outside, crafts are an easy and fun way to spend an afternoon. Whether painting with friends or making flowers out of paper, crafts can turn the day into an awesome adventure. Using simple craft supplies like paper and drawing tools, even the youngest of children can find engaging ways to play. With the help of accessible text paired with colorful photographs, early readers will experience the creative world of arts and crafts."