Los estados de la materia — Los líquidos

Este texto se adapta a un curso completo de Modificación de la conducta, recogiendo en esta 8a edición los últimos estudios relacionados con esta área. Se han añadido capítulos completamente nuevos en el campo de las nuevas técnicas de motivación. En total el texto presenta un 2 por ciento de material nuevo y el resto del libro ha sido reestructurado por completo para darle un mayor enfoque pedagógico y aplicado. | Desarrolla, de forma gradual, la capacidad del estudiante para analizar e interpretar el análisis de datos. También se han actualizado los ejercicios y actividades que...

Have you ever seen a skyscraper that is shaped like an elephant? How about one that looks like waves? Students will learn how to measure area while engaged in reading about the world's coolest skyscrapers! This Spanish book uses real-world examples to teach math concepts, and incorporates nonfiction reading to increase vocabulary and comprehension skills. The practice problems, graphs, and sidebars provide many opportunities for students to practice their developing math skills, and apply what they've learned to their daily lives. Essential text features like a glossary, index, and table of...

Blue is a beautiful color, and it's all around us, as this volume demonstrates. Readers are presented with multiple vivid hues of the color blue through recognizable objects, such as flowers, fish, and blueberries. They'll also be able to practice their vocabulary while reading comprehensible sentences. They can demonstrate their understanding of the color concept by completing the activity at the end of this book.

Readers are given helpful information about the dangers of drugs and alcohol, including narcotics, hallucinogens, and prescription medications in this Spanish-translated nonfiction book. Through detailed images, diagrams, informational text, an index, a glossary of terms, and a list of websites that provide additional information, readers are given the tools and information they need to educate themselves about addiction, drug abuse, the health and social issues that drugs and alcohol can cause, and how to say no to peer pressure.