Pon, pon

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 book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, and who works against it, and all other forces that contribute to a successful dive or climb. After reading this book, readers can decide if they will ever be interested in engaging in one of these extreme sports.

Learn about the rich history of Mission San Fernando Rey de España: how it started, the people who ran it, the indigenous population, and its legacy today.

Explains the basic science of flight, the problems of getting vehicles into the air, different types of engines, and aircraft design, and includes instructions for making aircraft models.

Basado en un enfonque metodológico que responde a los planteamientos PAU. Se centra, en plantear paso a paso numerosos análisis lingüísticos a partir de ejemplos, así como un trabajo exhaustivo sobre el comentario de texto. Incluye cuaderno del S. XIX.