El Espacio Exterior

Técnico electricista 10 - Curso visual y práctico Puesta a tierra En esta entrega describiremos los sistemas de puesta a tierra y explicaremos la necesidad de contar con ellos en las instalaciones eléctricas. Analizaremos los distintos regímenes de neutro y describiremos los componentes de un sistema de puesta a tierra. Aprenderemos los conceptos importantes para efectuar el diseño y el cálculo para la implementación de sistemas de puesta a tierra y, también, analizaremos los fundamentos de la medición en estos sistemas. Para terminar, describiremos los sistemas de protección de...

Understanding the concepts of solids, liquids, and gases is central to the early science curriculum. States of Matter uses simple, authentic Spanish text to introduce ELL students to these important concepts. Each book features a strong photo-text match and clear, full-color diagrams to enhance comprehension.

A dictionary tailored for the Latin American market is an ideal supplement to the middle school curriculum and includes up-to-date definitions, example sentences, synonyms and antonyms, and more. Original.

How do you truly engage students in learning history? When students make personal connections to the subject, they’re much more motivated to learn. This Spanish book provides firsthand accounts of history that give personal insights into historical events. Students will learn about the U.S. Constitution, the Articles of Confederation, the Connecticut Compromise, and the Bill of Rights. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need to know at their grade level. Packed with...