Taller de lectura y redacción, 1

Un recopilatorio de Súper Chistes para niños para dar la vuelta al mundo. ¡Te partirás de risa! ¿Estás más aburrido que un náufrago en una isla desierta? ¿A veces te parece que los profes te hablan en chino? ¿Tus padres te dicen siempre que estás en la luna? ¿Preferirías ir a Pekín que al cole? ¡Tú lo que necesitas son unas vacaciones, salir de casa y darte una vuelta por... ¿Has dicho el mundo? ¡Has acertado!

What is work? You may think work is doing chores or going to a job, but you do work every time you move something from one place to another. With experiments that demonstrate these fundamental concepts, discover how you work, and how simple machines make doing work easier.

A soldier, a farmer, a governor, and an explorer, Juan Ponce de León made his very first voyage with the famed Christopher Columbus. As an explorer, Ponce de León may be better known for what he didn't discover the fabled fountain of youth than for what he did discover Florida!

Reptiles y anfibios is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics--more than 1,000 per title--combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.