El Pacto Del Mayflower /

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.

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.

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.

Este libro ilustrado para nianos y jaovenes nos lleva a un viaje a travaes del tiempo para descubrir algunas de las estructuras maas asombrosas que la humanidad ha construido a lo largo de su historia.

Germs Are Not for Sharing/Los gérmenes no son para compartir paperback (ages 4–7): Sneezes, coughs, runny noses, spills, and messes are facts of everyday life with young children. This book teaches kids what germs are, what they do, and why it’s so important to cover them up, block them from spreading, and wash them down the drain. Includes tips for parents and caregivers.

Forces and motion are all around us. This Spanish book explains how gravity, forces and motions work. Readers will learn about concepts like equilibrium, acceleration, deceleration, electromagnetic fields, pressure, kinetic energy, and inertia. Featuring vivid images and easy-to-read text working in conjunction with captivating facts and an engaging lab activity, this book will motivate children to learn more about science topics!

This book looks at the numbers in Spanish. Main text on each page is provided only in Spanish, with simple, labeled photographs providing support. A "dictionary" spread at the end of the book features all the vocabulary words in both Spanish and English, and also includes a pronunciation guide.