La búsqueda de la velocidad: Los vehículos (The Quest for Speed: Vehicles) (Spanish Version)

What does this Spanish-translated book, a table, and your big toe have in common? They are all solids! A solid keeps its shape and always has the same volume. Read this Spanish-translated book to learn about solids and how they are different from liquids and gases.

Readers won't have to disassemble their favorite toys to discover what makes them work. This book explores electric, magnetic, and motion-powered toys from design to function. It introduces readers to the six simple machines and explains how they use force and motion to do work. Not every toy is a technological marvel. Readers learn about time-honored favorites including the rocking horse, Slinky, and rattles.

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.

Leila tiene seis años. Tiene los ojos muy grandes, el pelo rizado y la piel morena. No tiene hermanos, pero tiene muchos amigos en el colegio. Una dulce historia que nos enseña que las diferencias no existen ¡y que los grandes a menudo tienen más prejuicios que los pequeños!

Advances in science have changed our world, all thanks to the scientists behind important discoveries. Some of the most important discoveries have come from female scientists, who were as unique for their work as they were for being trailblazers in a male-dominated industry. This text offers a biographical treatment of such important scientists as Marie Curie, Rachel Carson, and Jane Goodall, as well as others who have made it possible for women of the future to have a career in science. Age-appropriate text, fact boxes, historical and modern images, and a comprehensive timeline complete the...

Explica a los adolescentes los conflictos emocionales, los cambios faisicos, las opciones, las opiniones sociales, los criterios maedicos, y las consideraciones legales relacionados con un embarazo no planeado, y les aconseja caomo enfrentarse con estas situaciones.

Una emotiva novela sobre la amistad, la vida y las segundas oportunidades «Da igual la suerte que tengas, lo importante es lo que haces con lo que te ha tocado vivir.» Scott es un joven sin trabajo que cree haber fracasado en todo. Con la autoestima por los suelos, a sus 27 años ya considera que ha desperdiciado su vida. No tiene una carrera, los trabajos no le duran y su novia le ha pedido espacio. Cuando su tío le consigue un pequeño sueldo por cuidar del viejo Horace, un anciano enigmático y huraño, a Scott le parece simplemente otra desgracia más... Sin embargo todo empieza a...