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

The Uses Of Wind Energy Is The Topic Of This Book. Explains The Positive And Negative Impact This Form Of Energy Can Have On Our World.

El Mayflower es un barco que ha llegado a ser célebre en la historia de los Estados Unidos porque en 1620 transportó desde Inglaterra al grupo conocido como "los peregrinos", quienes serían los primeros colonos europeos en establecerse en Norteamérica. Ellos zarparon desde el puerto inglés de Southampton y bautizaron como Nueva Inglaterra a la tierra que los acogió. Como señala este libro, el Pacto del Mayflower designa el acuerdo que los hombres adultos de esta comunidad firmaron a bordo del barco para fijar criterios generales que sirvieran como fundamento para el gobierno de la...

Provides The History Of Biofuels, Different Uses, Positive And Negative Characteristics, And How They Will Impact The Future.

This guide gathers a selection of more than 500 species of vertebrate animals cataloged and arranged in colored illustration. It is an exhaustive and complete guide that provides precise information about each species, and that captures all the beauty and diversity of the vertebrate world in spectacular design and with enthralling visuals.

For soccer fans, the unstoppable Cristiano Ronaldo has become a household name. What goes into the making of such a phenomenal player? What was he like when he was young and still learning? This book takes a close look at one of the greatest soccer players in the world right now. Young readers will love to learn about his jaw-dropping achievements and also learn about what shaped him into a record-breaking athlete. Ronaldo's story will inspire both the curious new soccer fans as well as those already bit by soccer mania.

Divided by period, this illustrated catalog introduces children to over 40 different kinds of dinosaurs. The index makes finding the species effortless.

Poems about being alone, love, fear, life, death and adults from a child's point of view. A boy wearing a tiger mask takes young readers on a journey of self-understanding and discovery.