Experimentos sencillos sobre el espacio y el vuelo

People today refer to the Midwestern and prairie states as flyover country. During the Civil War, crossing those areas was the biggest obstacle in uniting the East and West Coasts of our divided nation. An act of Congress in 1862 authorized the Central Pacific and the Union Pacific railroad companies to build a railroad that would link the coasts. Seven years later, on May 10, 1869, an overwhelmingly immigrant labor force completed the task when a rail line was join in Promontory, Utah. The states had become united at last.

If you have ever dreamt about becoming the next Mark Todd or Zara Phillips, then How to ... Horse Ride is the perfect guide to set you on course for success. This book shows you 'how to' with simple step-by-step photographs and easy-to-follow instructions. From basic exercises and grooming techniques to more advanced cantering and jumping. The final section takes a look at the fun you can have with your riding, from the thrill of the show, to the discipline of dressage. Saddle up and learn to ride with this exciting new How to.... You'll be galloping your way to the gymkhana before you know...

Fruits and vegetables both come from plants. Fruits have seeds. Vegetables do not. Let’s learn more about fruits and vegetables. Paired to the fiction title Planting Seeds.

Existen muchos tipos de inventos: inventos fáciles y difíciles; importantes o insignificantes; inventos para hacer reír e inventos que hacen llorar; inventos que sanan frente a otros que matan; inventos que nos ayudan a ser felices e inventos que ni siquiera lo intentan. Con este libro tendrás la oportunidad de pensar sin límites en tu propio invento. Esta colección consta de cinco libros, cada uno de los cuales incluye una serie de preguntas y de respuestas sobre temas que enriquecerán al niño en su visión del ser humano, la vida y el mundo. Las preguntas no solo generarán debates...