Una docena de primos

Explores The Machines Used And The Physics Involved That Make Moving From One Level To Another In A City Environment Easier.

Two plays by Juan Mayorga that exemplify the author's philosophical drama. Hamelin is set in an unnamed, corrupt city where the powerful and rich prey on the poor. Will a Pied Piper save the city's children from the "rats" that plague it? La tortuga de Darwin tells the story of Harriet, the tortoise that Charles Darwin brought back to England from the Galapagos. Since her voyage, Harriet has evolved into a turtle-woman, able to think, speak, and bear witness to the terrible events of the past two centuries.

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of debugging. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how debugging works in the real world. In this book, readers will investigate what's wrong with a circuit and find out how to fix the problem. This nonfiction book is ...

"This photo-illustrated book for early readers describes the wetland ecosystem. Includes picture glossary and index"--

Un libro escrito pensando en el profesor y en las tradicionales dificultades que el tema de la educación sexual encuentra en el medio escolar. La obra ofrece un instrumento metodológico para iniciar la programación de la educación sexual en la escuela y su adecuada integración en el currículum escolar. Apunta sugerencias concretas en la formulación de objetivos, selección de contenidos, diseño de actividades y evaluación. El programa abarca los diferentes ciclos escolares, desde la educación infantil a la secundaria. De interés para profesores, tutores, orientadores y psicólogos.