Desde que somos tijera y papel

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....

La literatura de misterio es un género universal, en el que se han hecho incursiones editoriales múltiples en todos los tiempos. Nuestro libro es para que los niños a partir de 10 años conozcan, adaptados a su edad, los relatos más importantes de este género. Para que encuentren páginas de fenómenos inexplicables, historias de gran sobresalto que desboque o despierte su imaginación, que los atrape con facilidad... Disponible en catalán, para comprarlo haz clic aquí.

The United States grew rapidly from the time of the Louisiana Purchase to the building of the Transcontinental Railroad. All of this expansion came at the expense of Native American populations that had either lived in the region for centuries or been forced there from ancestral homes in the East. Tribes memorably fought on their own and together in an doomed effort to retain the land and a lifestyle that had long sustained their families. This book outlines some of the major conflicts of the Westward Expansion, and of the treaties and were signed, and often broken, by representatives of the...

Why do we need water to live? Find out in this informative title that explains the importance of water to all living things.