Energía del viento (Wind Power)

Life Long Ago brings ancient civilizations to life and reinforces important early elementary social studies standards such as time, continuity, and change. Students will learn what daily life was like, how ancient peoples governed themselves, how they communicated, and how the influences of ancient cultures are still felt today.

P. is a professional philosopher whose Parliamentary seat allows him to observe real-life politics after having spent so much of his life studying its theory, but he soon realizes that the realpolitik hardly corresponds to his preconceived notions of politics. His only ally in negotiating this disheartening conundrum is his alter ego, the ghost, with whom he spends the duration of this book discussing the tensions and maladjustments brought about by this contrast. P. es un filósofo de profesión cuya obtención de un escaño en el Parlamento le permite observar en persona cómo es en la...

This Spanish book introduces students to the concepts of growth and change. 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!

La familia no puede reducirse a un "tema", una "cuestión", o una "moda". Influye en todas las realidades humanas primarias como el trabajo, educación, sanidad, alimentación, sexo, etc. Y es transversal a multitud de aspectos de la vivencia humana: las religiones, las ciencias, la política, la economía, la sociedad... Por todo ello, se afirma en verdad que la familia es la célula básica de la sociedad. Pero, como ha escrito el Papa Francisco, "la familia atraviesa una crisis cultural profunda" y el matrimonio "tiende a ser visto como una mera forma de gratificación afectiva que puede...

Capoc, un indio zapoteca, ve ante sus ojos cómo un pequeño grupo de seres extraordinarios acaban con el imperio azteca.