Medir la velocidad (Measuring Speed)

Provides information on the tiny reptiles, including their use of color as a defense, their climbing skills, and their ability to grow back a missing tail.

Conocer las cosas cuando se estan formando, quiere decir comprenderlas mejor. Los elementos de esta transformaicon pueden verse en gran parte en este libro que Bruno Munari ha compilado, basandose en cincuenta lecciones por el profesadas en la Universidad de Harvard.

Edgar Sawtelle es un niño mudo que se comunica solo en lengua de signos. Lleva una vida apacible y feliz junto a sus padres y su inseparable amiga y aliada perra. Pero el inesperado retorno de Claude, el hermano del padre de Edgar, a la granja después de muchos años, romperá la tranquila y feliz vida de esta familia y cambiará su destino, de forma irreversible, para siempre.

Learn how light pollution prevents us from seeing the stars and causes other problems as well. This Spanish book features a hands-on STEAM challenge that gives insight into how the engineering design process is used to solve real-world problems.

A rodeo is filled with excitement and fun. Cowboys and cowgirls show their skills, and clowns entertain the crowd. Learn to count on a trip to the rodeo! This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning how to count easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving section...