Agua segura para todos

Learn how technology has improved lighthouses over time with this book that features a hands-on STEAM challenge and uses real-world examples to give insight into how the engineering design process is used to solve problems.

Land has many different characteristics. It can be hilly, rocky, grassy, narrow, and dry. Or, it can be flat, smooth, sandy, wide, and wet! This Spanish book introduces students to the concept of landforms. 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...

There are many types of weather. Different types of weather make us feel different things. This Spanish book introduces students to the concept of weather. 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!

Cachimbo es un cuento recreado con personajes reales. Adultos que nos dieron la oportunidad de ser felices, porque rodeados de ellos, fuimos felices. Conocimos la felicidad en una poca y sociedad de respeto, tradiciones y excelentes costumbres que esa generacin infantil dej atrs en lo ms profundo del campo cubano. En que los nios ramos pobres, pero alegres. No tenamos computadoras, vdeos, ni telfonos celulares, pero tenamos amigos ms valiosos que los tan cacareados medios electrnicos. Dominando todo el entorno de Cachimbo, est su personaje principal: Vitoria, un central azucarero sin cercas...

When we look up at the night sky you can see millions of stars, but what do you think we could see in space if we left Earth? If we could hop into a special ship and blast off, traveling billions of miles away from Earth, we’d see the Milky Way galaxy. In this book, readers take an incredible journey through that galaxy, exploring the universe and learning how it was formed and what will one day happen to these enormous groups of stars. From mysterious dark matter to the black holes at the center of galaxies, readers will also dive into the mysteries of the universe scientists have spent...

La teoría de conjuntos es una rama de las matemáticas, y cuya dedicación de este capítulo, es gracias al matemático, Ferdinand Ludwing Philipp Cantor, quien es considerado el padre de la Teoría de Conjuntos, debido a ello, es que, en el año 1874, salió su primer trabajo revolucionario, con respecto a la teoría de conjuntos.

Este libro ilustrado para niños y jóvenes describe doce especies de animales que obtienen su alimento de forma muy peculiar.