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....

En el mar, el hombre tiene el privilegio de contemplar un paisaje antiguo pero en él se siente realmente un extranjero y descubre que su huella es efímera y ridícula. En épocas de cambios como la que vivimos, aún es posible atisbar retazos de otra mane

Read Along or Enhanced eBook: Discover what it takes to be an Emergency Room doctor in this enlightening, Spanish-translated nonfiction title. Readers learn about the hard work and dedication it takes to have a career as an ER doctor and what a typical day is like in the emergency room. From medical school to residency, medical symptoms to diagnosis, children will learn all about the steps it takes to get involved in this profession. This engaging title features vivid photos, helpful charts and diagrams, informational text, a glossary of terms, and an interview with a real life ER doctor to...

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

National Historic Landmarks are historic places that have exceptional value illustrating our heritage. The Alamo might be one of the best-known monuments, but reader will learn that there over 45 sites in Texas that are marked as historical monuments.