Las vidas del Dr. Bethune

Rhyming text and photographs follow a pumpkin patch as it grows and changes, from seeds to plants to pumpkins ready to harvest, to jack-o-lanterns and then to seeds again. Simultaneous.

How do countries work together? Running a country requires hard work. There is a lot involved. That includes making laws that help people do the right thing. When leaders work together, their countries benefit. This Spanish book introduces 2nd grade students to the concepts of diplomacy, government, and foreign relations. Detailed images in conjunction with easy-to-read text and basic text features provide readers with an inviting reading and learning experience as they build social studies knowledge.

It doesn't take a lot to conserve electricity. Taking action can be as simple as turning off the lights when you leave a room or using "people power" instead of cars to get around. Kids learn this and more about what they can do to help in 10 Things I Can Do to Save Electricity. Now in Spanish.

Técnico electricista 8 - Curso visual y práctico Generación y transmisión de energía En esta clase revisaremos los tipos de generación, analizaremos sus valores característicos, y conoceremos las centrales de generación y sus componentes. Explicaremos la necesidad de contar con líneas de transmisión de alta tensión y los tipos de estaciones transformadoras, las torres de alta tensión y los aisladores. También veremos las características de la distribución de la energía eléctrica y describiremos los componentes que intervienen en este proceso.