La historia de la inmigración de EE. UU.: Datos (The History of U.S. Immigration: Data)

Beaches, mountains, valleys, farmlands, and deserts are all part of the unique geography of California. Students will learn about each of these regions with this primary source reader that builds students' reading skills and social studies content knowledge. The intriguing primary source maps, letters, documents, and images provide authentic nonfiction reading materials and keep students interested in learning. Text features include a glossary, index, captions, sidebars, and table of contents. This book connects to California state studies standards and the NCSS/C3 Framework and features...

Addresses questions kids often wonder about, where there is usually no simple answer, offering different theories and opinions with examples and comparisons.

La expedición de Richard Francis Burton a Harar, ciudad de Etiopía a la que ningún europeo había tenido acceso, marca un hito fundamental en el conocimiento del interior de África, al abrir una vía de penetración que en pocos años había de llevar al descubrimiento de los Grandes Lagos, las fuentes del Nilo, y las complejas y fascinantes culturas de los pueblos que habitaban en el corazón del continente africano. Burton, explorador audaz e imaginativo, orientalista de vastos conocimientos y escritor de primer orden, logra que su libro pueda leerse al mismo tiempo como el apasionante...

Biographical And Science-Related Information Examining The Life Of Robert Fulton And His Invention Of The First Steamboat To Work Successfully.

From war and death to school and gender equality, the Sociedad series discusses many serious issues in a way that can be easily understood by children. Although many of the situations and examples are specific to Mexico, these books can be applied to a general readership, particularly one of Hispanic origin. Reflecting on modern sciences, particularly biotechnology—from its limitations to its advances—this perceptive study answers many questions concerning cloning and genetically modified organisms, such as Why do scientists work in these arenas? What are the benefits of this technology?...