Derretirse y congelarse (Melting and Freezing) (Spanish Version)

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. This 6-Pack includes six...

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.

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. This 6-Pack includes six copies of this title and a lesson...

Read Along or Enhanced eBook: Invite readers to see what goes on behind the scenes at a school carnival! With informational, Spanish-translated text, vibrant photos and helpful charts, children are engaged from cover to cover while utilizing mathematic skills to learn the basics of planning, income, estimates, and budgeting.

Born in Warsaw, Poland, on November 7, 1867, Marie Curie was forbidden to attend the male-only University of Warsaw, so she enrolled at the Sorbonne in Paris to study physics and mathematics. There she met a professor named Pierre Curie, and the two soon married, forming one of the most famous scientific partnerships in history. Together they discovered two elements and won a Nobel Prize in 1903. (Later Marie won another Nobel award for chemistry in 1911.) She died in Savoy, France, on July 4, 1934, a victim of many years of exposure to toxic radiation.

Hace diecisiete años surgió la idea de crear el primer banco de alimentos en Chile. La motivación era una: evitar la destrucción de bienes que pueden ser usados o consumidos por personas que los necesitan. Pero el camino para lograrlo estuvo lleno de obstáculos, desde una ley que no daba cabida a la donación de alimentos, hasta una sociedad que cerraba los ojos ante el hambre de miles de personas. Hizo falta mucho esfuerzo, dedicación y el compromiso de un grupo de personas que no descansaron ante la convicción de que nada sobra, y que el sueño de acabar con el hambre en Chile es un...

Las dos comedias cortas que forman este libro se desarrollan en una Edad Media irreal, fantástica y divertidísima. Brujos y brujas, doncellas, reyes, dragones, alquimistas y trovadores, héroes y malvados... se mezclan para conseguir un resultado desternillante.

¿Has olvidado cómo era el placer de leer? ¿Hay libros que crees que deberías conocer pero te parecen demasiado complicados? Esta obra se propone enseñarte a leer, pero sin que esto suponga un estrés añadido sino un verdadero placer. Wise Bauer nos ofrece aquí historias breves y muy entretenidas sobre cuatro géneros literarios: ficción, autobiografía, historia y teatro, y nos da las instrucciones que necesitamos para afrontar cada uno de ellos. Gracias a sus útiles recomendaciones la lectura se convierte en algo habitual, utilizando sólo unos minutos al día. En poco tiempo, el...