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.

Conocae Francisco. Nacido Jorge Mario Bergoglio en Buenos Aires, Argentina, Francisco es el primer Papa de las Amaericas. aEl es tambiaen el primer Papa para reemplazar uno de estar!

25 juegos de lógica que estimularán las capacidades intelectuales de niños y niñas de forma lúdica y divertida. ¿Eres un genio de la lógica? ¿Te consideras un as de los números? ¿O quizá lo tuyo es la geometría? Pues aquí tienes un pequeño entrenamiento con paradojas, enigmas, problemas matemáticos, juegos de lógica y acertijos ideales para mantener tu cerebro sano y entrenado. ¿Estás preparado para romperte la cabeza? Ambientado en el cole, este nuevo libro de enigmas está protagonizado por tres amigos, cada uno aficionado a un tipo de enigma distinto, que irán...

Discusses issues that involve dating and premarital sex among young adults and explores the consequences of making bad choices when it comes to promiscuity.

"Dino" Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children's books, writes a popular dinosaur column in Highlights magazine, and was an adviser for Jurassic Park. Take a trip through dinosaur time to meet these sea giants face-to-face: The Archelon was similar to a turtle, but its shell was made of crossed rib bone covered in rubbery skin! The Mososaurs had huge pointy jaws and grew to be fifty feet long! The Ichthyosaurs looked a lot...