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....

Las calles de una ciudad están llenas de historia, curiosidades y viejas leyendas. Descubre todo lo que hay que saber sobre Valencia con esta divertida guía, pensada para que los jóvenes viajeros disfruten conociendo esta interesante ciudad. Además, encon

Cuando dos jóvenes parejas se conocen durante la Gran Depresión surge entre ellas una amistad que durará toda la vida. Son muchas las cosas que inicialmente comparten: Charity Lang y Sally Morgan están esperando su primer hijo, y sus maridos Sid y Larry son profesores de Literatura en la Universidad de Wisconsin, aunque su relación se va haciendo más compleja a medida que comparten décadas de lealtad, amor, fragilidad y desacuerdos. Treinta y cuatro años más tarde del inicio de esta amistad los Morgan visitan la colonia de veraneo de sus amigos en Vermont para el que saben será su...

This bilingual book allows young readers to enter Celia Cruz's life as she becomes a well-known singer in her homeland of Cuba, then moves to New York City and Miami where she and others create a new type of music called salsa. School Library Journal has named My Name is Celia a]n exuberant picture-book biography ...a brilliant introduction to a significant woman and her music.

"This book will allow you to share with your child compositions full of strength and creativity side-byside (you color on one page and the little one on the opposite). Children and moms will enjoy coloring... together. Sharing games and leisure with children is highly recommended, and this is a perfect book for mothers who love to color and enjoy leisure time with their children."