Gran directorio de libros en multiples formatos EPUB, PDF, MOBI
Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.
Total de páginas 32
PDF, EPUB, MOBI
4.7
69 Valoraciones Totales
Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.
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...
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.
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.
The use of calendars dates back thousands of years. Why are we driven to record time, and what would happen if we did not? Who created the concept of calendars? Why do different cultures use different calendar systems? And why are calendars so important to us? It is about "time" we found out! Created in collaboration with the Smithsonian Institution, this Spanish-translated Smithsonian Informational Text builds reading skills while engaging students' curiosity about STEAM topics through real-world examples. Packed with factoids and informative sidebars, it features a hands-on STEAM challenge...
A foundered Victorian ship looking for the fabled Northwest Passage holds a secret in its icy grave... When Dirk Pitt of NUMAr is almost blown to pieces in a lab explosion, he suspects sabotage. The lab in question belongs to a scientist hoping to use a rare mineral to combat greenhouse gases - but who would want to destroy our one chance to save the planet? However, there are those who will do anything to control such a valuable prize. Pitt's investigations take him to the Arctic in search of a clue to the origins of this precious mineral. There he and NUMAr colleague Al Giordino must battle ...
Toda la sabiduría popular de ayer y de siempre está presente en las agudas adivinanzas que pondrán a prueba la mente de los niños, obligándoles a razonar e imaginar, completando así su formación académica. Los trabalenguas que se incluyen son la manera más natural de acercarse al lenguaje por medio de la diversión, ayudándoles a mejorar su expresión verbal y su dicción.
Explains the process of making a book by following the production of Nancy Carlson's book, "It's Not My Fault!," through its stages of writing, illustrating, editing, designing, printing, and binding.
