Un contrato y sus consecuencias

Readers may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This Spanish-translated book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, who works against it, and all other forces that contribute to a successful dive or climb. After reading this Spanish-translated book, readers can decide if they will ever be interested in engaging in one of these extreme sports. This 6-Pack includes six copies of this title and a lesson...

What is matter? Anything that takes up space is matter. Matter can be a water, liquid, or gas. These are the states of matter. Learn about matter with this Spanish science reader that features easy-to-read text. Nonfiction text features include a glossary, index, and detailed images to facilitate close reading and help students connect back to the text. Aligned to state and national standards, the book also includes a fun and engaging science experiment to develop critical thinking and help students practice what they have learned.

Josh Goldin está disfrutando de un descanso en la sala de café de su ofi cina cuando recibe el mensaje de la llamada de su mujer, un mensaje sobre su hijo que menciona «cuidados intensivos» y «pérdida de conocimiento». Esa mañana Dori había llevado de urgencias al pequeño Zack, de ocho meses. El bebé parecía sufrir algo grave, pero a la doctora Darlene Stokes algo en la actitud de la madre le parece sospechoso. Había oído hablar del síndrome de Munchausen, que padecen madres que hieren intencionadamente a sus bebés, pero nunca se había encontrado con ningún caso. Una novela...

This book is a comprehensive, practical presentation of the principles of behavior modification and guidelines for their application. It teaches forms of behavior modification ranging from helping children learn necessary life skills to training pets, to solving personal behavior problems.