Diseño y moderación de entornos virtuales de aprendizaje

Readers may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This Spanish-translated book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, who works against it, and all other forces that contribute to a successful dive or climb. After reading this Spanish-translated book, readers can decide if they will ever be interested in engaging in one of these extreme sports.

El amor que sentimos por “el tigre que come de la mano”, como se ha llamado en Japón al más doméstico de los felinos, no es un fenómeno reciente. Venerado por los antiguos egipcios, compañía silenciosa de artistas y poetas, de magos y de brujas, adorado por igual en Oriente y Occidente, en todas las épocas y las culturas el ser humano le rindió culto al gato e intentó dar cuenta de su belleza y misterio. ¿Qué los vuelve seres tan especiales? ¿Por qué nos fascinan tanto? Con enorme gracia y erudición, Carl Van Vechten explora aquí la figura del gato en la literatura, la...

This book's attractive combination of excellent color photographs and detailed illustrations will captivate young readers and hold their attention as they learn all about the animal kingdom. The child-friendly text highlights details that children are especially interested in to provide a thorough introduction to the major animal and insect groups. Text copyright 2004 Lectorum Publications, Inc.

Daniel got the best birthday present in the world: his grandfather's magic briefcase! What tricks is it hiding? What surprises does it contain? Close your eyes and make a wish. This book is full of magic!