Tecnología: Hazañas y fracasos (Technology: Feats & Failures) 6-Pack

Engineers have built some incredible things. But with every new feat, there is failure. Readers will learn about engineering feats like the Titanic, the Hindenburg, the Hoover Dam, and more in this engaging nonfiction title that has been translated into Spanish. This title features brilliant images, charts, and intriguing facts in conjunction with informational text and mathematic skills to keep readers active and engaged.

In this stimulating, Spanish-translated nonfiction book, readers will discover the various types of friction--including rolling friction, sliding friction, fluid friction, and static friction--and the huge impact it has on nature, machines, and our lives. In addition, readers are encouraged to perform basic experiments to assist in the understanding of friction, kinetic energy, and water resistance. With real-life examples, colorful images, accommodating graphs and charts, and informational text, this title will inspire and engage children.

Travel to the 22nd century in this captivating, Spanish-translated nonfiction title that allows readers to discover the future of space. Elementary readers will be fascinated with the possibilities that may await human life in the future. Readers will discover the technology that may be used to one day allow humans to live on another planet, new worlds, alien life, and artificial intelligence. Featuring vibrant photos, images, informational text, a glossary of terms, and a list of helpful websites for more explorations, children will be excited and enthralled as they move through this title.

[Poema de tema mitológico compuesto por Kā.lidā.sa (400 d.C.). narra la historia de amor entre Ś.iva y Pā.rvatī., reflejando también la cultura de la India clásica.] Traducción con introducción y notas del Kumarasambhava (El origen de Kumara), poema épico-lírico de temática mitológica, compuesto por Kalidasa (hacia 400 d.C.), el más celebrado autor en sánscrito clásico. El hilo conductor de la narración -la historia de amor entre Siva y Parvati- aparece subordinado a la ornamentación y el virtuosismo formal. en las 641 estrofas se ven reflejados múltiples aspectos de la...

In order for any democracy to function well, understanding how and when to compromise is a necessity. This book introduces students to how compromise makes governing possible. Using examples of how compromise works in their own lives, students will gain a better understanding of how compromise work on a larger level. Conversely, readers will also learn that compromise may be the wrong course of action in some situations and that some issues are of such critical importance or high moral worth that standing firm is appropriate.

Las computadoras y el Internet cambiaron para siempre la forma en que comunicamos mensajes y otro tipo de información. También crearon nuevos desafíos para poder mantener esas comunicaciones privadas. Ahí es donde entra la criptología digital, el estudio de la comunicación digital secreta. Aprende sobre cómo trabajan los criptólogos profesionales para burlar a los piratas informáticos y ciberterroristas que intentan acceder a información privada. ¡Luego prueba tus habilidades con una actividad práctica de criptología digital! Computers and the internet forever changed how we...

Our closest solar system is about 10 light years away. It has two main types of planets. Some are rocky and small, like planet Earth, while others are huge balls of gas, like Jupiter. Learn about how astronomers once thought our solar system was the one and only, to how they have now discovered hundreds of stars with planets orbiting them, which means there could be billions of solar systems in outer space! Just maybe, these alien worlds could host life, like our own amazing planet. This book allows students to use observations of the Sun, moon, and stars to describe patterns that can be...