Técnico electricista 3 - Magnetismo

The plot of The Empty Region takes the reader from the military camps of holy warriors in Pakistan, to the security corridors of the CIA and the FBI. It’s a fascinating puzzle inhabited by historical characters, including Osama bin Laden and George W. Bush, as well as officials aware of the tragedy´s secrets. Szichman leads us along the terminals where the air pirates of al-Qaida consummated their tragic ritual, makes us travel on the airplanes, turned into guided missiles, and recreates the 102 minutes when the burning towers of the World Trade Center became hell on earth. Although...

¿Por qué las huchas tienen forma de cerdito? Si todos los billetes cuestan lo mismo, ¿por qué valen diferente? ¿Qué es el trueque? Aprender a tomar decisiones, a negociar (sí, ¡el intercambio de cromos en el patio es la primera y más dura de las transacciones a las que nos enfrentamos!), a entender la diferencia entre precio y valor es fundamental. Este libro ilustrado nos muestra de una forma muy dinámica, divertida y eficaz las claves básicas para aprender a gestionar la paga y entender qué es el dinero. ENGLISH DESCRIPTION Why are piggy banks shaped like pigs? If all bills cost ...

Read Along or Enhanced eBook: Inform readers of the dangers of smoking with this fact-filled, Spanish-translated nonfiction title. Through helpful diagrams, detailed images, and truthful facts, readers are given the tools and information to educate themselves about smoking, tobacco, addiction, and the health problems that smoking can cause. With informational text, an index, glossary of terms, and list of websites, children are encouraged to say no to smoking, to peer pressure, and learn what steps they can take to help prevent others from starting.

What is matter and where can it be found? Everything in the world is made of matter, whether it is a solid, a liquid, or a gas. Important ideas about matter such as volume, mass, and how matter changes state are conveyed through a series of easy-to-do experiments.