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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.

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.

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

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.

In Bosques, carefully leveled text and vibrant, full-color photographs take beginning readers on a tour of a temperate forest. Readers learn about this important ecosystem and the variety of living things adapted to live there.

Se trata de un relato en el que el escritor indaga en su pasado familiar para desentrañar el misterio de la desaparición de su abuelo en un tren.

Presented in a large-size picture book format, this is the story of the Mars Rover Curiosity. It explains how it was built at the Jet Propulsion Laboratory in California, how it got its name, how it got to Mars, and what its mission hoped to accomplish. A timeline about the history of Mars exploration is provided at the end.

Ante esta situación crítica quisiera hacer algo, debo hacer algo. No me interesa el poder, me interesa la autoridad moral, la mucha o la poca que tenga, la que me gane cada día, porque no pretendo estar sino ser. Con estas palabras, Alejandro Rojas-Marcos se sincera ante la autora del libro, Rosa Díaz. Y de ese ser de Alejandro Rojas Marcos opinan importantes personajes de la vida andaluza y española, configurando el más completo de sus retratos, el de la palabra vivida. La obra va mucho más allá de la biografía de uno de los políticos más completos que ha dado Andalucía; estamos...