Maria Zef

Venerado y vilipendiado a un tiempo, Lobachevski se cierne imponente sobre la matemática del siglo XIX. Al igual que sucede a la mayoría de los mitos, el Lobachevski real está oculto por capas de negligencia y desconocimiento. Su fantástica obra, argumentaban muchos, no era otra cosa que herejía matemática, una senda falsa. Lobachevski es una personalidad abrumadora, un soñador empedernido, un hacedor de mundos imposibles pero reales. Lobachevski es, para muchos, una persona desconocida. Este libro cuenta la historia de un hombre sencillo, pero sagaz, obstinado y profundo desde el...

Learn about outer space exploration, from the Hubble telescope to the latest space shuttle launches, in this delightful, Spanish-translated nonfiction title! Readers will learn about famous astronauts, the history of exploring space, and what the future holds for space exploration through vivid images and photographs, informative text, and intriguing facts. With a glossary and index, readers will want to learn all they can about exploring space! This 6-Pack includes six copies of this title and a lesson plan.

There are many types of weather. Different types of weather make us feel different things. This Spanish book introduces students to the concept of weather. With images that are easy to identify and clear, simple sentence structures, this science reader simplifies scientific concepts for young students as they improve their reading skills. A fun and easy science experiment and Your Turn! activity provide more in-depth opportunities for additional learning. Nonfiction text features include a glossary and an index. Engage students in learning with this dynamic text!

Water is all around us! This book features pictures of different places that water can be found. From tide pools, to ponds and rivers, readers discover that there are many places to find water. The language arts connection is the introduction of vocabulary related to places where water is found.