De camino a la escuela. Cómo son los escolares en otras partes del mundo

Children explore the concepts of big and small in the world around them, from big round pancakes to tiny little seashells.

Técnico electricista 4 - Curso visual y práctico Corriente alterna En esta clase nos encargaremos de profundizar en la generación de corriente alterna y conoceremos los valores típicos de este tipo de corriente. Además, revisaremos las inductancias, los capacitores y la aplicación de la corriente alterna en estos componentes.Para terminar, veremos los efectos propios de la corriente alterna, y caracterizaremos la resonancia y los armónicos.

Computer science is all around us, at school, at home, and in the community. Anyone can learn computer science, even at the elementary school level. This book delves into essential computer science concepts using age-appropriate language and colorful images. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience. The instructional guide on the inside front and back covers provides: Vocabulary, Background knowledge, Text-dependent questions, Whole class activities, and Independent activities.

Think you'd like to be a fire fighter? Learn about the special equipment fire fighters use, their role in community safety, and their lives at the station. This book features a comprehensive timeline of the history of firefighting from its origins in ancient Rome through firefighting practices of today plus vocabulary related to fire fighters and fire safety.