Hora de recreo (Recess Time)

This Spanish-translated book will be a hit with both thrill seekers and with those who prefer to stay safely on the ground. After an introduction to Newton's three laws of motion, readers learn the mechanics of various amusement park rides including roller coasters, Ferris wheels, merry-go-rounds, and gravity rides. They learn how to measure motion, and how kinetic and potential energy apply to their favorite rides. This 6-Pack includes six copies of this title and a lesson plan.

The need for speed is the motivating factor in this engaging, Spanish book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther.

How do you truly engage students in learning history? When students make personal connections to the subject, they’re much more motivated to learn. This Spanish book provides firsthand accounts of history that give personal insights into historical events. This primary source book focuses on the creation of the Transcontinental Railroad. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need to know at their grade level. Packed with information and primary source maps, images, and...

"Lady Isabel Pelham y Gerard Faulkner, marqués de Grayson, son la pareja más escandalosa de todo Londres. Tienen en común una lujuria desmedida, un gran ingenio, una provocativa reputación en entredicho y, lo más importante, ninguna intención de enamorarse el uno del otro, algo con lo que tirarían por la borda su matrimonio de conveniencia. Por nada del mundo romperían esa farsa ... hasta que el destino aparta a Gerard del lado de Isabel. Cuatro años más tarde, el marqués de Grayson regresa a casa. Isabel se encuentra con que el pícaro joven se ha convertido en un hombre poderoso...

Martha Ann tiene 12 anos de edad cuando Papa logra reunir el dinero suficiente para librarla de la esclavitud. En 1830, la familia entera abandona el este de Tennessee para comenzar una vida nueva en Liberia. En los dias de mercado, Martha Ann contempla los barcos de la marina britanica que patrullan la costa liberiana para impedir que los cazadores de esclavos secuestren a su familia y amigos y les devuelvan a la esclavitud. Martha Ann decide dar personalmente las gracias a la reina Victoria por haber enviado a la marina. Pero primero tendra que hallar el modo de recorrer las 3500 millas que ...

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of testing. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers’ learning experience and show how testing works in the real world. In this book, a class makes a budget so they can afford a field trip at the end of the month. This nonfiction title is paired...

Un libro claro, riguroso y estructurado, adaptado a los contenidos curriculares de Ciencias de la Naturaleza de 2o de ESO acompañado de un elevado número de actividades teóricas, prácticas, competenciales e interactivas. Destaca por tener un enfoque hacia las nuevas tecnologías, con vínculos a animaciones y a actividades interactivas. Y por tener un planteamiento encaminado al trabajo de las competencias básicas.