Omar Jayyam

La historia de la ciencia en la Edad Media es, hasta el siglo X, la del mantenimiento precario de los escasos saberes de la Antigüedad clásica que habían sobrevivido en occidente. A partir de entonces, la traducción del árabe de las obras de autores griegos fue la tarea fundamental. En el siglo XIII aparecen los primeros matemáticos medievales realmente creadores - Fibonacci, Jordano Nemorario y Nicolás de Oresme, entre otros. Al estudio de la obra de estos científicos y la de sus precursores está dedicado este libro.

Teach beginning readers about the various types of weather including rain, sunshine, snow, fog, wind, and clouds with pages full of bright, colorful images and Spanish-translated, informational text. Through the use of descriptive, academic vocabulary, readers are encouraged to notice the changes in the weather around them. This 6-Pack includes six copies of this title and a lesson plan.

In graphic novel format, follows the adventures of Max Axiom as he explains the science behind light.

This informative Spanish-translated book gives readers a look into the Constitution and the Bill of Rights. Readers will learn about the three branches of government--executive, legislative, and judicial--as well as the way each of those branches works to keep order and the various aspects including Congress, the Supreme Court, the House of Representatives and the Senate. Featuring detailed images, stunning facts, and supportive text, this book will have readers interested, engaged, and eager to learn more about the development of the Constitution. Other featured topics include the Federalist ...

This delightful series of board books includes touch-and-feel pages that will entertain children and pique their curiosity as they experience how baby animals from a variety of species feel. Esta encantadora serie de libros de todo cartón incluye páginas para tocar y sentir que entretendrán a los niños y despertarán su curiosidad mientras experimentan cómo las crías de una variedad de especies de animales sienten a ser tocadas.