El fuerte

There is a contest at a school to design a new playground. The students use blocks to build their models. As they build, they use three-dimensional shapes. Some students build a train out of blocks for the younger students to play on. Can you guess which three-dimensional shape they use for the train's wheels? Read to find out which design wins.

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.

Este libro trata de facilitar dos aspectos: A-La labor docente del profesor, adaptando el contenido al cuestionario oficial, estructurando los temas y la materia ya que se facilita el desarrollo de esquemas, contenidos e incluyendo ejercicios resueltos, introduciendo los contenidos prácticos en el momento adecuado, relacionando el material de laboratorio utilizado para una mejor programación de las prácticas, limitando la exposición a mínimos razonables, ampliando la materia cuando de manipulaciones se trata, utilizando un lenguaje sencillo y directo y cuidando que las determinaciones,...

Una nueva y deslumbrante enciclopedia sobre el increíble mundo de los dinosaurios. --Page 4 of cover.

Get readers excited to learn about the various technological innovations that have occurred throughout history--and what could be possible in the future! Through informational text, interesting and intriguing facts in conjunction with vivid images, diagrams, and charts, readers will learn about miraculous inventions such as holograms, 3D printing, virtual reality technology, personalized medicine, and bionic body parts. Throughout this Spanish-translated nonfiction title, readers will be engaged and encouraged to imagine the next big technological innovation that could change the world! This...