La búsqueda de la velocidad: Los vehículos (The Quest for Speed: Vehicles) 6-Pack

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.

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.

El viaje de Colón es en realidad la gran aventura de un marino. Un hombre que pidió ayuda a unos reyes muy ricos para adentrarse en un inmenso y desconocido océano lleno de peligros y tempestades en busca de las Indias, pero que terminó llegando a una preciosa tierra hasta entonces desconocida para los europeos a la que llamamos América. De esta forma, su viaje se convierte en una verdadera aventura de marinos. Una verdadera historia de héroes que luchan contra los elementos para realizar una hazaña escrita con letras de oro en los libros de historia de la humanidad.

The sun is responsible for all life on Earth, but what exactly is it? Our star is an amazing force that can be as dangerous as it is important. From solar flares to the threat of blowing up altogether, the sun is one of the most interesting things in our solar system. Readers take a trip to the sun to see how it works and exactly what it is made of. Theyll learn about the life cycle of a star and see just how long we have until we have to find a new planet to call home. Dont worry, theyll be happy to learn that (hopefully) we have millions of years left!

NúmerosEnsee a sus nios los números con este libro ilustrado, adecuado para todas las edades. Ensee a sus nios los números del 1 al 100 en espaol o aprendalos usted mismo incluso. El libro contiene muchas imágenes de animales representando numeros. En este manual, usted encontrara también una guía sobre como escribir cada número y asi podra ensear a sus nios como escribirlos correctamente. Este libro lleno de animales le gustara mucho a sus nios, haciendo de esta manera su aprendizaje en espaol mucho mas facil.AlfabetoEnseñar de forma divertida el abecedario a un niño. Aprende con...

Although we rarely consider it today, it was remarkable that the small forces of the American colonies were the victors of the American Revolution. After all, England was the most powerful nation in the world at that time. This entertaining volume, an appealing way to present the important facts surrounding the Revolution, takes readers into the biographies of the Founding Fathers as well as George III and his advisors. The crucial events and decisions that ultimately led to England's loss are presented in an accessible narrative that will appeal to young historians and Revolutionary War...