Técnico electricista 2 - Corriente continua

The sun is responsible for all life on Earth, but what exactly is it? Our star is an amazing force that can be as dangerous as it is important. From solar flares to the threat of blowing up altogether, the sun is one of the most interesting things in our solar system. Readers take a trip to the sun to see how it works and exactly what it is made of. They’ll learn about the life cycle of a star and see just how long we have until we have to find a new planet to call home. Don’t worry, they’ll be happy to learn that (hopefully) we have millions of years left!

Ofrece una explicación de las soluciones y mezclas y en qué se diferencian, así como ejemplos de mezclas y soluciones.

Discusses the difference between secrets that are fun to keep and those that make people unhappy, and encourages youngsters to confide in their parents or another trusted adult such painful matters as bullying or improper touching.

"ÅQuâe significa estar enojado? Aunque el enojo no sea agradable, Æes una emociâon que todos sentimos! Los niänos aprenderâan a identificar el momento en que estâan enojados y câomo manejar sus sentimientos. Las fotos grandes y expresivas ayudan a ilustrar câomo se ve el enojo. Se incluye una actividad de reflexiâon que permite a los niänos explorar sus sentimientos"--