El Pacto Del Mayflower /

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.

Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.

Defines pulleys, 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.

Humans and animals can also make a great team working together. See how horses and the officers who ride them work together to keep our streets safe.

Apartments, houses, log cabins, and houseboats are all kinds of homes, though they can look vastly different. Around the world, families settle into homes that can look quite different than these, yet serve the same purpose: to shelter. This volume will capture readers' imaginations, allowing them to view various types of homes, including the yaodongs of China and Queenslanders of Australia. Beautiful photographs serve to illustrate both architectural and cultural concepts.

"Breve explicación del propósito y uso de este libro. Antes que nada, lo primero que debemos dejar bien claro es que este Libro no es, en modo alguno, un diccionario lingüístico. Esto, que a simple vista pareciera ser contradictorio, ciertamente no lo es, ya que ni por su forma ni por su contenido ha pretendido regirse por las normas o modelos tradicionales de los diccionarios que todos conocemos y usamos; y porque además, siendo radicalmente honestos, no ha sido escrito por alguien que pretenda asumirse como lingüista (por lo menos, no un lingüista como algunos que conocemos ), ni...

Desastres naturales (Natural Disasters) is an exciting book about how estimations and predictions help save lives in natural disasters. Students will learn critical math concepts as they are engaged in reading about the properties of natural disasters. Practice problems and mathematical diagrams help students reinforce the importance of mathematics. This Spanish title includes a glossary, an index, engaging images, and easy-to-read text to help students build their math and reading skills.