Aqui Cada Cual Con Sus Cosas

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.

"While preparing for Christmas in Puerto Rico, seven-year-old Esmeralda asks the Three Magi for a baby doll like her cousin's, but when they bring something else instead she gains a deeper understanding of the meaning of the holiday."

A lo largo de nuestro crecimiento como especie dominante, hemos salpicado la historia de objetos confeccionados por nosotros con un fin específico: herramientas, máquinas, objetos, etc. todos ellos bajo un solo nombre: inventos. Este libro pretende ilustrar la importancia de la creación de objetos (de la inventiva), como capacidad inherente al desarrollo de la humanidad tanto presente como futura. Para llevar a cabo este objetivo, este libro hace una descripción de cómo el hombre ha ido convirtiendo ciertos objetos naturales en instrumentos de gran utilidad y sofisticación a lo largo...

Learn how a designer's sketch becomes the fashion we wear and how a designer uses math and geometry to make their designs successful in this fashion-filled book! Including information about the fashion industry, clothing fabrics, patterns, and textures, readers learn all about the different aspects of the fashion industry. With a glossary, index, vivid images, informational text, and interesting facts, this Spanish-translated nonfiction book with engage students from beginning to end.