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...

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,...

Cada año los magos de Imardin se reúnen para vaciar las calles de la ciudad de vagabundos, pícaros y maleantes. Son maestros en las diversas disciplinas de la magia, y saben que nadie puede opnérseles. Pero su escudo protecto no es tan impenetrable como creen. Porque Sonea, una joven de la calle, está furiosa tras ver que su familia y sus amigos vana ser expulsados de la ciudad. Toda la rabia acumulada por años de injusticia va concentrada en una piedra que Sonea lanza contra las fuerzas del orden. Para sorpresa de todos, la piedra atraviesa la barrera invisible y derriba a uno de los...

Existen una serie de criaturas fantásticas que residen en la delgada línea que divide lo real de lo imaginario. Con este libro se puede aprender todo sobre los gnomos, las brujas, las sirenas, los elfos o los ángeles en textos increíbles e ilustraciones mágicas.

¿Sabías que las ballenas azules son los animales más grandes de nuestro planeta? ¿O que las nutrias marinas se asean las patas después de cada comida? El mundo está lleno de millones de especies animales, y cada una de ellas es única y especial. Muchas están llamadas a desaparecer. En este libro, Chelsea Clinton les presenta a los pequeños lectores algunos de los animales en peligro de extinción, explicándoles por qué son únicos y especiales y qué clase de peligros corren. No dejes que desaparezcan conduce al lector a lo largo de un día en la vida de rinocerontes, tigres,...

A detailed, full-color Spanish-language atlas teaches children about different regions of the world and includes games, activities, and fun characters to make learning geography stimulating. Original.