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...

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...

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,...

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...

Grouping and classification are among the first math and science skills that children need to learn. This fun book will challenge children to observe natural creatures to see what makes them the same and different. It presents an interesting way of looking at objects, because the objects may not be exactly the same. For example, birds have two wings, but the wings of different birds may not look similar.

¿Sabías que en el mundo aún existen lugares donde se piensa que la mujer es inferior al hombre? En las páginas de este libro conocerás a siete mujeres admirables que, en épocas en las que no tenían derecho a casi nada, se atrevieron a luchar por sus sueños y llegaron, incluso, a cambiar la historia.

Este ensayo de Alfred Cortot --uno de los mas grandes pianistas del siglo XX-- sobre Chopin abarca desde los aspectos mas personales como su ambiente familiar, sus legendarios amores o su caracter hasta el analisis detallado de sus conciertos y su metodo como pedagogo.

Los remolcadores son pequeños, pero fuertes. Con este atractivo libro ilustrado conocerás cómo estas embarcaciones de aspecto minúsculo ayudan a las barcazas y otros barcos. El pequeño y potente remolcador puede realizar grandes tareas: tirar de cruceros, trasladar cargueros, empujar barcazas y hasta transportar un puente. El remolcador ayuda a los barcos grandes a moverse en espacios pequeños y lleva de un lado a otro la barcaza de los fuegos artificiales. Hermosos dibujos de vibrantes escenas portuarias en todo tipo de clima ilustran un texto sencillo e informativo, escrito...