Campos de intervención en psicología social

Presents a line-by-line explanation of the entire United States Constitution, in English and Spanish. Provides a Spanish translation of the Constitution, historical context and student exercises that approximate the decisions made by the Constitution's authors. Written at the fifth grade level.

Discusses the various facets of the fall season, including activities and celebrations, through simple questions and answers.

Did you know that an Apatosaurus was longer than four cars end to end? It weighed more than 70,000 pounds (31,751 kilograms). Learn more about this fascinating creature in Apatosaurus. The AV2 Spanish language collection gives emerging bilingual readers access to both a printed Spanish book and an eBook that provides both Spanish and English translations of the text.

La historia de la ciencia no es ni más ni menos que la historia de nosotros, los seres humanos, tratando de entender y explicar el universo que nos rodea. Y, como nosotros mismos, es contradictoria, misteriosa, intrigante, traicionera, ambiciosa, valiente y, por momentos, insólita. En este libro vas a conocer a personas curiosas, perseverantes, observadoras, testarudas e ingeniosas, y vas a acercarte a los caminos que las llevaron a descubrimientos increíbles, errores catastróficos y, sobre todo, a hacerse nuevas preguntas. La historia de la ciencia está llena de sorpresas, personajes y...