Mujeres en las ciencias (Women in Science)

For thousands of years, militaries around the world were limited to male soldiers. However, throughout history, brave women have stepped out of the background and onto the battlefield. This biographical text covers the important women who’ve broken ground in the military. Famous historical figures such as Joan of Arc, Clara Barton, and Florence Nightingale are covered in depth, while the stories of modern-day heroes are presented to show how women are still affecting change on the front lines. A comprehensive timeline, fact boxes, and historical and modern images complete this...

Advances in science have changed our world, all thanks to the scientists behind important discoveries. Some of the most important discoveries have come from female scientists, who were as unique for their work as they were for being trailblazers in a male-dominated industry. This text offers a biographical treatment of such important scientists as Marie Curie, Rachel Carson, and Jane Goodall, as well as others who have made it possible for women of the future to have a career in science. Age-appropriate text, fact boxes, historical and modern images, and a comprehensive timeline complete the...

La obra incluye tres (3) textos fundamentales del autor: Fundamentos de disen̆o bi-dimensional, Fundamentos de la forma bi-dimensional y Fundamentos del disen̆o tri-dimensional, incluye un glosario, más de 900 diagramas y documentos gráficos apoyan la interrelación entre las diferentes dimensiones del disen̆o.

Go-Karts are a fun and thrilling way to hit the road! This exciting, Spanish-translated nonfiction title invites readers to explore different parts needed to build a go-kart, velocity, speed, and how to stay safe in this fun motorsport. Using detailed images, charts and diagrams, informational text, and interesting facts in conjunction with mathematical skills and upper-level features such as a glossary of terms, an index, and a chapter format, readers are sure to be engaged and excited from cover to cover!

La novela de Mark Alpert gira entorno a la idea de que Albert Einstein descubrió una teoría del campo unificado, pero escondió el resultado temiendo que pudiera llevar a crear armas más poderosas que la bomba atómica. En nuestros días, muchos compiten por ser los primeros en descubrir el secreto de Einstein: el gobierno de los Estados Unidos, un mercenario despiadado movido por la venganza y varios científicos. El físico Hans Kleinman, que en su día fur asistente de Einstein es torturado por un intruso que le exige que divulgue la teoría. Días más tarde, el profesor universitario...

En este cuaderno aprenderás la ortografía de numerosas palabras que se escriben con v y h, y te ejercitarás en la ortografía de diversas sílabas trabadas y libres. También se estudian algunas reglas fundamentales del uso de las mayúsculas: en principio de escrito y después de punto.