La proclama de emancipacion

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

Follows the Thirteen the Amendment that freed the slaves, end of the war, and the death of President Abraham Lincoln.

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.

Solar Energy Is Explained. Included In This Book Is Where It Comes From, Who Uses It, And The Positive And Negative Benefits Of Using It. Correlated To Common Core, Texas TEKS, Virginia Sols, And Georgia Performance Standards.

Esta colección didáctica presentada por el personaje del profesor Elibius, mostrará para los niños de forma colorida y divertida temas como: los números, las letras, las horas, el sistema solar y las tablas, más de 15 temas. Una colección educativa, muy útil para presentar a los pequeños problemas importantes para su aprendizaje de una manera lúdica. En este volumen: el cuerpo humano - Se presenta el cuerpo humano completo, es decir, células, tejidos, órganos, sistemas, esqueleto y organismo completo. También ofrece varias curiosidades sobre el cuerpo humano.

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

¡Tener un hermano o una hermana es fantástico! Menos cuando nos peleamos. De eso trata este cuento. Un álbum ilustrado que nos cuenta con afecto y humor los conflictos, los sentimientos y las aventuras del día a día entre hermanos. Para ayudar a los niños y las niñas a darse cuenta de que tener un hermano o una hermana ¡es muy divertido! It's wonderful to have a brother or sister . . . except for the fighting. And that's what this book is all about. This illustrated volume talks about conflicts between siblings, and it does so with humor and affection. Having a sibling involves daily...

Readers will learn all about the United States' westward expansion in this interesting nonfiction Spanish-translated book, which uses appealing images, helpful maps, and supportive text to keep children engaged from beginning to end!