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

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.

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

Biddy Mason's life began as an enslaved person, but she became a successful nurse, midwife, and land owner. She left behind a legacy of caring and charity and influenced Los Angeles’s history. This Spanish biography builds reading comprehension and social studies literacy. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need to know at their grade level. Packed with information and primary source maps, images, and documents, these books are perfect for reports or projects. The Read ...

Más de 1000 palabras básicas ilustradas y organizadas por temas, para aprender español con actividades para practicar el vocabulario que se presenta. Consta de 22 unidades. Al final del libro hay un solucionario, asi como un glosario de las palabras ilustradas traducidas a 5 idiomas.

Siglo I. Juan nace en Betsaida, cerca del río Jordán. Pertenece a una familia de pescadores. Como discípulo de Juan el Bautista conoce a Jesús y le sigue toda la jornada junto a su hermano Santiago. Este primer encuentro queda grabado en su corazón: allí, en las riberas del río, comienza su gran amistad con Jesús, que no terminará jamás. Poco después, el Señor le llama a formar parte del grupo de los doce Apóstoles. Juan, que le profesa un enorme respeto, es el único apóstol que le acompaña hasta el Calvario y el primero en reconocerle después de haber resucitado.

This book is a comprehensive, practical presentation of the principles of behavior modification and guidelines for their application. It teaches forms of behavior modification ranging from helping children learn necessary life skills to training pets, to solving personal behavior problems.