¿Por qué hibernan los animales? (Why Animals Hibernate)

Diamonds and salt are both minerals, but diamonds are more rare than salt. Curious readers will learn what physical and chemical conditions must be present for minerals to form. They'll discover how minerals are identified and how they are used in daily life. Informative and interesting text presents readers with this science content in a fun way. A graphic organizer shows how different minerals are identified and fact boxes provide readers with exciting supplementary information.

When rocks change because of environmental conditions, the new rocks are called metamorphic rocks. A rock's chemical or physical makeup may change because of conditions such as temperature, stress, or pressure. Your readers will learn fascinating facts including where metamorphic rocks are most commonly found, the different types of metamorphism, and how metamorphic rocks are identified. Full-color photographs depict these rocks in nature. A helpful graphic organizer shows how these fascinating rocks form.

It is the third Monday in January and school is closed. But do you know why? It's Martin Luther King Jr. Day. Turn the pages of this book to find out what dream Dr. King shared with the world, who Mohandas Gandhi was, how one brave woman helped Martin Luther King Jr. change history. Each book in the Holiday Histories series describes one of America's holidays or special days. Explore the history of each day and learn the real reason why it is important. Discover what special meaning each day might have for you.

Paleontologists are scientists who study dinosaur bones. This book introduces their job from start to finish. The Descubrámoslo (Let’s Find Out) series is perfect for young learners in prekindergarten through grade 2. These 16-page books give readers an accessible introduction to nonfiction reading. Color photographs and fun, factual examples will grab the attention of young readers and help strengthen reading comprehension skills.

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...

Se reúnen en este libro las experiencias de innovación, renovación y mejora de la docencia del derecho de los 44 autores que firman los 28 artículos que conforman la obra. Desde casi todas las especialidades del derecho y bajo una óptica exclusivamente aplicada, se presentan textos breves y concisos sobre experiencias de innovación y mejora, metodologías docentes, sistemas de evaluación, innovación e internacionalización, método del caso, prácticums y actuaciones institucionales en materia de mejora docente. Completando este elenco experimental, los textos introductorios plantean...