Viaje a través de la Vía Láctea (A Trip Through the Milky Way)

Before there was the U.S. Constitution, there were the Articles of Confederation. Readers discover the story behind the first written constitution of the United States—from the factors that inspired its creation to the reasons why it was replaced. The detailed main text is enhanced by informative sidebars and graphic organizers. Historical images, including relevant primary sources, allow readers to immerse themselves in this historical period. Readers are given the chance to thoroughly examine elements of the original document, making them feel like true historians. They’re sure to enjoy ...

The idea of the Roaring '20s conjures up images of speakeasies, women with short, saucy hairdos, and hot jazz. Readers will learn about the historical events that define this decade, including the devastating war that preceded it. An explanation about project-based learning will help readers understand how it can help them research their topic in unique and interesting ways. Constructive suggestions offer ideas for projects, while encouraging readers to take their studies in new and interesting directions.

POCOS MANUALES REALMENTE PRÁCTICOS COMO EL QUE TIENES EN TUS MANOS AHORA MISMO. La mayoría de las personas que sufren de ansiedad se refieren a ella como “nerviosismo” o “estar de malas”, “como con prisa siempre”; dicen sentir que “les falta el aire”, o identifican la ansiedad con una palabra muy genérica y usada en nuestros días: el “estrés”, el cual no es sino tensión nerviosa. Es curioso que las personas que tienen satisfechas las necesidades básicas, como vivienda, empleo, servicios de salud, etcétera, sientan constante incomodidad con la vida en general, vean...

Ofrece una explicación de las soluciones y mezclas y en qué se diferencian, así como ejemplos de mezclas y soluciones.

Lighthouses have helped sailors navigate for centuries. But lighthouses are not built like they used to be. Learn how innovations like computers and solar power have improved lighthouses over time. Created in collaboration with the Smithsonian Institution, this STEAM book will ignite a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that is perfect for makerspaces and that guides students step-by-step through the engineering design process. Make STEAM career connections with career advice from actual Smithsonian employees working in STEAM...

La serie Cienciaenshorts nace para dar cabida a pequeños relatos que acercan al público de forma amena diferentes aspectos de la ciencia en formatos literarios. Obras menores solo en extensión. Se trata de una fórmula imaginativa que puso en marcha hace años nuestra editorial en forma de concurso, donde los autores de los relatos fueran científicos-escritores con voluntad de trasmitir con precisión conceptos científicos a la sociedad, de una manera comprensible para esta. El jurado del II Concurso de relatos científico-literarios "¿Te atreves...?" estuvo compuesto por: César de...