En el trabajo: Contratistas: Perímetro y área (On the Job: Contractors: Perimeter and Area)

Landsat satellites orbit the Earth to get images. Learn how these images are made using heat. Then, find out how these cutting-edge satellites are helping save the planet! Created in collaboration with the Smithsonian Institution, this Spanish book ignites a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides English language learners through every step of the engineering design process. Inspire students to pursue a STEAM career with career advice from a real person working in a STEAM field. Discover engineering innovations that solve...

The Grand Canyon is a "grand" place to learn data analysis! Through an examination of its rocks and fossils, students will learn data analysis while reading about a fun-filled trip to Grand Canyon National Park. This Spanish book uses real-world examples to teach math concepts, and incorporates nonfiction reading to increase vocabulary and comprehension skills. The challenging practice problems, graphs, and sidebars provide many opportunities for students to practice their developing math skills, and apply what they've learned to their daily lives. Essential text features like a glossary,...

La vida de san Francisco de Asís es notablemente diferente de las vidas de los santos al uso. Álvaro Pombo, en simpatía con la antigua tradición franciscana, elige en este libro un estilo correspondiente al gran sobresalto intelectual y afectivo que produce el biografiado. Adopta, por eso, el punto de vista y la voz o voces de los primeros hermanos que acompañaron a Francisco. Con una notable mezcla de atrevimiento, seriedad y simpatía profunda, Álvaro Pombo se convierte, al mismo tiempo, en la voz plural, brillante y humilde de aquella primera comunidad franciscana, una docena mal...

Todos sabemos un par de cosas sobre los dinosaurios como sus nombres, sus formas y que algunos tenían plumas y otros no, pero ¿cómo se descubrió todo esto? ¿Quiénes fueron los primeros interesados en los enormes esqueletos que aparecían de la nada y que tal vez inspiraron las leyendas sobre terribles dragones que secuestraban princesas? O ¿dónde se inició la primer gran exposición de dinosaurios en el mundo? Esta aventura gráfica es un recorrido por la historia, no tanto de los dinosaurios, sino de los padres de la paleontología. We all know a thing or two about dinosaurs, a...

Introduces Iran, including the geography, people, education, rural and urban life, housing, food, work, and amusements, along with other information about the country.

Leap into the world of a ballet dancer! In this engaging, Spanish-translated nonfiction book, readers learn about the history of this art form as well as what a ballet dancer does to get ready for a performance. With informational text, vibrant photographs, a sample schedule of ballet dancer's day, a look at ballet positions, and simple, clear text, readers learn about the basics of ballet and that this beautiful art form takes a lot of hard work and dedication.