Tras los pasos de los-- esclavos

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.

California became a territory in the United States when the Treaty of Guadalupe Hidalgo was signed in 1848. That treaty ended the Mexican War. Several days before its signing, gold was discovered at Sutter’s Mill in what is now Sacramento. The non-Native population of the territory was less than one thousand in 1848, but the gold rush increased that number to one hundred thousand by the end of 1849. The gold rush not only made many people wealthy, it brought ecologic devastation while speeding up California’s statehood. This book richly explores this interesting history.

¡Los doctores saben muchas cosas sobre la salud y el cuerpo humano! Al examinar a los pacientes y recetar medicamentos, los médicos pueden averiguar qué está enfermando a una persona y cómo hacer que se sienta mejor. Ahora en español, este título involucra a los lectores jóvenes para aprender cómo los médicos sirven a su comunidad. Las preguntas de pensamiento crítico apropiadas para la edad y un glosario de fotos ayudan a desarrollar habilidades de aprendizaje de no ficción. Doctors know many things about health and the human body! By examining patients and prescribing medicine,...

Having a job and earning money are a part of everyday life for most people, especially adults. The concept seems fairly straightforward: one works to earn. This volume discerns the difference between a job and a career, as well as how a job can develop into a career. Readers will learn why a community's economy needs jobs, how paying someone to do a job helps the person who is paying them, and even about job loss and its consequences. The text also explains different jobs and their effects on the economy, such as those of professional, production, arts, and government and military jobs.