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The Uses Of Wind Energy Is The Topic Of This Book. Explains The Positive And Negative Impact This Form Of Energy Can Have On Our World.

Defines screws, explains their functions, and suggests simple experiments to demonstrate how they work.

This inspiring biographical series ties in with elementary history, science, and social studies curricula, providing teachers with a valuable interdisciplinary resource. With these books, young readers will discover historical figures who devoted their lives to making the world a better place, and changed the course of history. Text copyright 2004 Lectorum Publications, Inc.

Bright stars twinkle in the night sky. Have you looked up into the sky on a clear night and seen these tiny points of light? Did you know that there are many kinds of stars in space? Find out all about them in this Spanish-translated book.

A bilingual collection of poems in which the renowned Mexican American poet revisits and celebrates his childhood memories of summers, Mexico, and nature.

Enamorado de la vida y de las causas de los oprimidos, Neruda, poeta del amor y la libertad (premio Nobel de Literatura 1971), representa y sintetiza todo el vigor y contradicciones de un mundo a la vez muy reciente y antiguo: América del Sur.

Nuevo Prisma nivel C1 Ejercicios es un material elaborado para consolidar y mejorar el aprendizaje de la lengua a través de actividades que practican la comprension auditiva y lectora, la expresion orale y escrita, los elementos lingüisticos y el léxico, siguiendo un enfoque comunicativo, orientado a la accion y centrado en el estudiante. Asimismo, cada unidad incluye un apartado especifico para la preparacion del examen DELE, segun las directrices de los examenes oficiales del Instituto Cervantes, de manera que el estudiante puede trabajar, a través de las diversas actividades propuestas ...