El Pacto Del Mayflower /

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.

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.

A giant, spinning storm forms over the ocean. People living on the coast start to flee inland for safety. Once the storm makes landfall, heavy rains and fast-moving winds knock down trees and destroy homes. In this captivating introduction to hurricanes, early readers will be swept up in the dramatic text that describes the first signs of a hurricane, its destructive power, and, most importantly, how to stay safe from a hurricane’s devastating winds and rains. Each 24-page book features controlled text with age-appropriate vocabulary and simple sentence construction. Stunning photos closely ...

This translated edition of My Holiday Memories Scrapbook for Kids, Translated Spanish Edition is printed in Spanish. It is the fifth scrapbook in the series and is especially designed for children to help them to remember their unique and joyful adventures through life. Scrapbooking provides an outlet of expression that may not be available in any other form. Families get involved and show their children how much they love them by helping them fill in the pages of this book to preserve family memories. When I was young, I had a baby book. My Holiday Memories Scrapbook for Kids, Translated...

This book introduces "none," "most," and "all" and illustrates comparisons using non-specific size words.

Este libro reseña cómo, entre 1828 y 1917, las leyes de naturalización establecieron lo que los extranjeros tenían que ser y hacer para dejar de serlo, y cómo los encargados del proceso transformaron un trámite burocrático en un espacio de control para un grupo que, aunque pequeño, era considerado peligroso. Por otra parte, las solicitudes de quienes querían "pertenecer a la gran familia mexicana" no sólo daban pruebas de que cumplían con los requisitos legales. También expresaban las razones por las cuales querían cambiar de nacionalidad, escritas en clave de lo que creían eran ...