Conservación de la masa (Conservation of Mass)

Light can travel faster than anything else in the universe. But what exactly is light, and where does it come from? This nonfiction Spanish book teaches students all about light, and introduces them to important scientific concepts and vocabulary terms like infrared, ultraviolet, photos, and visible spectrum. The intriguing images, detailed diagrams, and stimulating sidebars will keep students connected to the text. The fun lab activity provides a real-world learning experience that supports STEM instruction. Aligned to state and national standards, the leveled text supports differentiation....

Un completísimo álbum ilustrado sobre la vida y obra del escritor búlgaro Elias Canetti, premio Nobel de Literatura en 1981.

El libro constituye una completa recopilación de todos los pensamientos, ideas o reflexiones de grandes personajes de la historia en diferentes campos del saber (filosofía, literatura, política, ciencia o arte) sintetizados en cortas y dicientes frases que a través del tiempo han reflejado el sentir de sus autores ante una situación o realidad momentánea. Estas máximas trascienden en el tiempo y el espacio convirtiéndose en frases que encierran gran profundidad o trascendencia en pocas palabras; conllevando a la reflexión, la crítica o el cuestionamiento de una realidad. Con...

Many people depend on blue crabs from the Chesapeake Bay for their jobs. But overfishing and changes in the blue crabs' habitats have reduced their numbers. Learn how scientists have stepped in to study these blue beauties so that they can keep a healthy crab population. Created in collaboration with the Smithsonian Institution, this Smithsonian Informational 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 of the engineering design process and is...

Perfect for readers interested in learning more about other faiths, this unique collection offers an in-depth look at the major religions of the world. Rich with fascinating facts, each edition includes illustrations, photographs, glossaries, and information on the history, customs, and doctrines of each religion. By offering readers a deeper understanding of the beliefs of others, this collection encourages tolerance and respect in an increasingly multicultural world. Perfecto para lectores interesados en aprender más sobre otras religiones, esta colección única ofrece un análisis...