Cómo podemos utilizar la polea?

This inspiring biographical series ties in with elementary history, science, and social studies curricula, providing teachers with a valuable interdisciplinary resource. With these books, young readers will discover historical figures who devoted their lives to making the world a better place, and changed the course of history. Text copyright 2004 Lectorum Publications, Inc.

Defines screws, explains their functions, and suggests simple experiments to demonstrate how they work.

The Uses Of Wind Energy Is The Topic Of This Book. Explains The Positive And Negative Impact This Form Of Energy Can Have On Our World.

La Aventura de los números es una colección de 7 cuadernos cuyo objetivo principal es afianzar el conocimiento de la serie numérica del 0 al 10 a través de sencillas y motivadoras actividades que también desarrollan otras habilidades lógicas como asociaciones, relaciones, resolución de situaciones problemáticas, etc., y conceptos relativos a la cuantificación, que ayudarán a los niños a construir una base sólida sobre la que sustentar los futuros aprendizajes en esta área. En ese título de la colección se trabajan el número 4 y repaso. Series ascendentes y descendentes....

Esta Pequeña Historia explica los trazos más destacados de la vida y la obra del pintor catalán Joan Miró, desde sus primeros pasos en Barcelona hasta la creación de un lenguaje pictórico propio y cargado de simbolismo y hasta su madurez como creador.

Beautiful full-color photographs and informative text, in both English and standard Latin-American Spanish, introduce readers to our Moon. They will learn about the Moon’s phases, that people have been to the Moon, and many more exciting facts. This is a great addition to any aspiring astronomer’s library.

Discover what it takes to be an Emergency Room doctor in this enlightening nonfiction title that has been translated into Spanish. Readers learn about the hard work and dedication it takes to have a career as an ER doctor and what a typical day is like in the emergency room. From medical school to residency, medical symptoms to diagnosis, children will learn all about the steps it takes to get involved in this profession. This engaging title features vivid photos, helpful charts and diagrams, informational text, a glossary of terms, and an interview with a real life ER doctor to delight,...