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

Eco-Friendly Energy Is Explained. The Most Current Information Is Provided While Establishing The Understanding That It Does Not Take Much To Make The World A Better Place.

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

These twelve popular Bible stories are perfect for bedtime! Five-Minute Bedtime Bible Stories presents twelve of the most popular Bible stories retold in condensed versions to introduce children to the Bible. The large font size and colorful illustrations on every page are perfect for young readers! The featured stories tell the tales of the Garden of Eden, Noah's Ark, Moses, David and Goliath, Esther, Daniel and the Lions, the Nativity, as well as many well-known New Testament stories. This book has been officially vetted by the American Bible Society. It also includes a soft, padded cove; a ...

MATEMOLA es una colección de seis cuadernos orientados a crear una base sólida para el desarrollo del pensamiento lógico-matemático. Las actividades del libro están pensadas para ayudar a los niños a interpretar la realidad y conocerla a través de la observación y la representación. Al final del cuaderno se propone un juego individual de memoria y atención para repasar algunos de los principales contenidos trabajados. Los cuadernos incluyen pegatinas para realizar las actividades de una forma amena y afianzar los conocimientos. Trabaja conceptos de numeración (números 1 al 9...

[English] What is the difference between a savanna and a prairie? How do bison, zebras, and other grazers avoid hungry grassland predators? Trek across the plant-covered landscape of this book, and find out what makes grasslands one of Earth's treasures. [Spanish] ¿Qué diferencia hay entre una sabana y una pradera? ¿Cómo escapan los bisontes y las cebras de los depredadores? Camina entre los altos pastos de este libro. Descubrirás por qué los pastizales son uno de los grandes tesoros de la Tierra.

Dams change the landscape, providing reservoirs of freshwater and even producing electricity. Discover the engineering behind dams.