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....

By day, Zoe Zhang is a fourth-grade bunny who loves reading books and playing soccer. By night, she's Robin Hoodie, a hero bandit who steals from the greedy and gives to the poor. When a dishonest city official bullies her family, she and her band of Merry Mates fight back. Kids will be captivated by this fast-paced adventure story that will appeal to reluctant readers. This short, 32-page chapter book features colorful, lively illustrations to capture the attention of kids who enjoy stories about underdog superheroes.

Jonnhy vuelve de la guerra. En su pueblo todo el mundo le recibe como a un héroe. pero un día, Jonnhy reúne a todos para contarles su experiencia en el campo de batalla. La guerra no es un espectáculo que echan por la tele. Los "malos" o los "buenos" son conceptos relativas y en realidad, todo el mundo tocado por la guerra, es una víctima.

Juancho wanted a dog so badly that he draws one. Since it is his own creation, it is the perfect dog for him and they get along very well. Sadly, one day the dog vanishes. But Grandma saves the day?

El best seller de los libros de historias bíblicas con más de 5 millones de ejemplares vendidos enseña a los niños las historias y los personajes de la Biblia. Ahora, las historias bíblicas favoritas cobran vida con el nuevo arte vibrante e historias cautivadoras, haciendo de este libro el punto de partida perfecto para que los niños aprendan de la Biblia. Disfrutarán de las ilustraciones divertidas de Noé ayudando al elefante a subir al arca, Jonás orando dentro del pez, y mucho más, a medida que descubran el tesoro contenido en estas páginas al igual que ya lo han hecho millones...