Cómo podemos utilizar el tornillo?

Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.

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.

Young students will be enthralled with compelling portraits of famous figures who devoted their lives to improving the world. Includes historical photos and illustrations.

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.

This complete Spanish translation of the highly acclaimed Isaac Asimov's 21st Century Library of the Universe is ideal for students still developing their English-language skills.

This beginner biography takes a look into the life of Walt Disney and his innovative contributions to film and animation. Complete with full-bleed relevant and historical photographs, timeline, glossary, and index.

Lee, canta y aprende con la musicalidad de la rima de Pedro Mañas. El Sol se peina los rayos cada mañana. Su patio es el mundo y su juguete un farol. Es el primero en llegar y el último en irse, y ve nuestro planeta desde tan lejos que cree que todos somos diminutos como hormigas. ¿A dónde irá cuando caiga la tormenta? ¿Se esconderá como un caracol? Una colección indispensable para que los más pequeños se inicien en la lectura de poesía por: *su musicalidad con rimas breves y sencillas de estribillos musicales y metáforas lúdicas. *la presencia de elementos de la naturaleza que...

Harley acaba de perder a su padre en un accidente de coche. Pero además, él era el conductor del vehículo. El peso de esta responsabilidad no le deja vivir en paz con su conciencia. Para sentirse menos culpable, siente la necesidad de investigar el caso.