Manual para el Trabajo Social Comunitario

Kids often play with magnets, yet they don't learn how these playthings work for many years. Practical knowledge from their play can help them learn more about magnetism, and so can this book. Specially written for those with reading challenges or readers looking for a review, the main text covers important vocabulary, magnetic fields, and a discussion of why metals and magnets come together. Diagrams and succinct fact boxes offer additional ways to learn each concept and explain some ideas in greater detail.

Learn how scientists channel energy from the sun to power awesome innovations! Created in collaboration with the Smithsonian Institution, this STEAM book will ignite a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that is perfect for makerspaces and that guides students step-by-step through the engineering design process. Make STEAM career connections with career advice from actual Smithsonian employees working in STEAM fields. Perfect for English language learners, this Spanish book builds 1st grade students’ early literacy skills.

Readers won't have to disassemble their favorite toys to discover what makes them work. This book explores electric, magnetic, and motion-powered toys from design to function. It introduces readers to the six simple machines and explains how they use force and motion to do work. Not every toy is a technological marvel. Readers learn about time-honored favorites including the rocking horse, Slinky, and rattles.

Los ecos de la tragedia, de Javier Pérez Campos, autor de otros libros de esoterismo y ciencias ocultas como 2012: Los enigmas del apocalipsis maya o En busca de lo imposible, narra la increíble aventura de un periodista en busca de la verdad. ¿Hay vida después de la muerte? Javier Pérez Campos es un joven periodista que lleva años dedicándose a la búsqueda del misterio a lo largo y ancho de nuestro país y que trabaja con Iker Jimenez, tanto en la televisión como en la radio, y viene avalado por él. Javier Sierra también le apoya en todo, ya que se conocen desde hace tiempo y les...