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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....

Few natural forces seem as much like magic as magnets. Perhaps that’s why magnets are so fun! Young scientists will love learning about amazing magnets, both natural and man-made. They’ll discover how magnetism is harnessed to help us in many ways. This STEM-supportive volume contains comprehensible text and photographs of students and scientists utilizing magnets. It also includes a simple, fun concluding activity to encourage readers to use this super science tool themselves.

El asesinato de Federico García Lorca (1898-1936) fijó la imagen de "La casa de Bernarda Alba" como la obra máxima de toda una dramaturgia. Con este drama en el que unos personajes y un espacio se encadenan con suprema maestría a una pasión estéril ?el amor no conseguido- cuya liberación sacrificial es la muerte, el poeta granadino llegó, en efecto, a una cumbre similar a la alcanzada por las más grandes creaciones del teatro clásico y contemporáneo. Mario Hernández fija rigurosamente en la presente edición el texto de esta tragedia en la que la tiranía de unas normas sociales...

Mediante la técnica del flash-back el autor nos cuenta dos historias paralelas separadas por miles de años de diferencia pero con un punto en común: las pinturas rupestres de Altamira.