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...

Many insects hatch from eggs and molt several times as they grow bigger. Others, such as butterflies, undergo a complete metamorphosis. A common science curriculum topic, insect life cycles may be confusing because of these differences. However, this book breaks down these cycles into easy-to-understand steps in both accessible language and colorful diagrams readers can turn to for review again and again. The most important vocabulary needed to talk about insect life cycles is further explained in fact boxes and an extended glossary.

This selection of riddles is just right: not too hard, not too easy, and all "dressed up" with beautiful illustrations.

Técnico electricista 12 – Curso visual y práctico Luminotecnia En esta clase, describiremos los principios de la iluminación, explicaremos la importancia de un nivel correcto de iluminación, veremos las unidades que intervienen en el cálculo de iluminación y conoceremos las características de cada una de ellas. Describiremos los tipos de lámparas existentes, las características de las lámparas incandescentes, fluorescentes y de vapor. También analizaremos las ventajas de las lámparas dicroicas, bipín y halógenas. Continuaremos con las cualidades de los principales tipos de...

You think you know the story of "Goldilocks and the Three Bears"? The tale you've heard may not be just right. This retelling of the classic story, told from Baby Bear's perspective, will convince you that Goldilocks and Baby Bear (whose real name is Sam) were actually besties! This fractured fairy tale provides a fresh perspective on a well-known tale. Fully translated Spanish text. ¿Crees que conoces el cuento de "Ricitos de Oro y los tres osos"? A lo mejor la versión que leíste no sea la correcta. En esta versión del relato clásico, contada desde el punto de vista de Bebé Oso,...