Energía del viento

This inspiring biographical series ties in with elementary history, science, and social studies curricula, providing teachers with a valuable interdisciplinary resource. With these books, young readers will discover historical figures who devoted their lives to making the world a better place, and changed the course of history. Text copyright 2004 Lectorum Publications, Inc.

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

Solar Energy Is Explained. Included In This Book Is Where It Comes From, Who Uses It, And The Positive And Negative Benefits Of Using It. Correlated To Common Core, Texas TEKS, Virginia Sols, And Georgia Performance Standards.

Defines screws, explains their functions, and suggests simple experiments to demonstrate how they work.

Learn all about money with this relevant Spanish nonfiction book. Ideal for young readers, the book includes simple text, helpful pictures, a connected project, a fiction piece related to the topic, and more beneficial features. This 20-page full-color Sp

A grammar reference and activity book, this text provides explanations and practice of spanish grammar for both foundation and higher levels. There are exercises and examples, as well as suggestions for open-ended communicative activities.

Un sorprendente viaje por diez rutas que, más largas o más cortas y en diferentes épocas, dieron forma al mundo que conocemos hoy. Con este libro cruzarás el puente de Beringia hacia América con los primeros pobladores de ese continente y seguirás a los animales salvajes por la ruta migratoria del Serengueti. Recorrerás la red adoquinada de calzadas romanas de Inglaterra y la maravilla de la ingeniería del Gran Camino Inca, que permitieron el florecimiento de dos imperios. Conocerás a los pioneros que arriesgaban su vida en busca de oro por la remota y helada ruta de los Chilkoot, a...

Rodeo Barrel Racing Is Described In This Book. Readers Learn About Necessary Equipment And Techniques, Famous Riders, Animals, Records, Venues, And Championships.