Hablemos con el agua

Este libro ofrece al estudiante de Química una amplia colección de cuestiones y problemas, explicados y resueltos, presentados en orden de dificultad creciente, muchos de los cuales fueron propuestos en Pruebas de Selectividad o en exámenes de Facultades Universitarias y Escuelas Técnicas. Pretendemos con ello complementar los contenidos teóricos de la asignatura, posibilitando la simultaneidad que debe existir entre toría y práctica, aunque ésta, frecuentemente, se manifieste como una situación idealizada de la realidad. Un libro diseñado, no para saber más, sino para entender...

Consolidates the Student's Book lessons with targeted practice, unit by unit Additional practice of reading, writing, speaking, listening and use of English skills Extensive grammar and vocabulary practice Complete practice exam in Unit 10 Designed for independent study at home and practice in class Audio for listening lessons available on the Student's App

Presents a series of puzzles and exercises designed to present numbers, geometry, measurement, and other mathematical topics to seven-year-olds.

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 find out why a magnet isn't sticking to a certain surface. This nonfiction title is paired with...