El gran llibre del planeta

Many insects hatch from eggs and molt several times as they grow bigger. Others, such as butterflies, undergo a complete metamorphosis. A common science curriculum topic, insect life cycles may be confusing because of these differences. However, this book breaks down these cycles into easy-to-understand steps in both accessible language and colorful diagrams readers can turn to for review again and again. The most important vocabulary needed to talk about insect life cycles is further explained in fact boxes and an extended glossary.

"Descubre más acerca del verdadero Walt Disney en esta divertida y emocionante biografía ilustrada!"--Page 4 of cover.

Climb aboard for a journey into the world of trains! In this fascinating, Spanish-translated nonfiction title, readers learn about the history of trains, the different uses for them, and the different types and parts including freight cars, box cars, passenger cars, and the caboose. With detailed photos, informative text, and intriguing facts, this book will have readers delighted from cover to cover! This 6-Pack includes six copies of this title and a lesson plan.

Técnico electricista 16 – Curso visual y práctico Circuitos en instalaciones eléctricas En esta clase explicaremos los valores de carga y los tipos de cable usados en las líneas definidas en una instalación eléctrica. Veremos el esquema general de instalación y el circuito de alumbrado y tomacorrientes, aprenderemos el proceso de determinación de corrientes máximas para bocas de iluminación, tomacorrientes y protección. Tambien detallaremos los criterios para determinar la cantidad de bocas por circuito y veremos los circuitos de usos especiales y específicos.