Los sólidos (Solids) 6-Pack

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.

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.

Where is your brain exactly? What does it do? Use your brain to read this engaging, Spanish-translated title and learn all about it!

Dos niños viven una aventura en el monte, acompañados de un joven investigador. Las relaciones entre estos personajes, junto a los abuelos de los niños, sirven de pretexto a la autora para desarrollar el tema fundamental de la obra: la protección de la naturaleza.

Aligned with school learning programs, Little Issue is an educational magazine that introduces children to science, helps them learn to read, and raises awareness about disabilities and genetic diseases. Little Issue is intended for children aged 6 and up. It is published quarterly. In South Africa, the English version is distributed free to partner schools. Little Issue is also available in French and Spanish, distributed free of charge in schools and to hospitalized children.

Una fiesta de disfraces acaba de madrugada en un camino solitario cuando Sofía y Lupe sufren una agresión sexual. Durante los días siguientes, las dos muchachas descubrirán que, como Medusa, muchos no se atreven a mirarlas a los ojos. ¿Tienen que avergonzarse de algo? ¿No hubiera ocurrido si no hubieran llevado una minifalda? ¿Es mejor no denunciar y olvidarlo todo? Inspirada en el mito de Medusa, cuyos cabellos se transformaron en serpientes como castigo tras ser forzada por Poseidón, ' La cabeza de Medusa ' aborda el trauma personal, familiar y social que supone una agresión de...

What was being a farmer like in the past? Readers can find out in this Spanish book that compares farming and farming equipment of today with farming of the past. Young readers will learn about the history of farming with this book that includes details about farming tools, irrigation systems, pesticides, and organic farming. The table of contents, glossary, and index gives readers the tools they need to better understand the content.