Con la energía del Sol ebook

Learn how light pollution prevents us from seeing the stars and causes other problems as well. This Spanish book features a hands-on STEAM challenge that gives insight into how the engineering design process is used to solve real-world problems.

In an online world where the amount of information seems to increase exponentially even week to week, student researchers can find it an ever-greater challenge to distinguish credible, vetted content from hearsay and misinformation. This book on citing internet sources will help them determine which online sources are trustworthy and which are not. Its lively and engaging instructional tips will help readers successfully negotiate the vast landscape of information out there. They will produce quality research for papers now and beyond in their academic careers with skill and confidence.

The need for speed is the motivating factor in this engaging, Spanish book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther. This 6-Pack includes six...

Todo el mundo lo sabe: en el mundo de Minecraft, los creeper explotan. Pero para Mervyn es más que eso. Lo único que quiere es ganar la prestigiosa competición anual de explosiones de creepers para que su padre esté orgulloso de él. Las presiones familiares y los rivales harán que las cosas no salgan exactamente tal como lo quiere este pequeño monstruo. En este divertido y único diario seréis testigos del intenso entrenamiento para convertirse en el mejor de todos.

Georgina L�zaro presents the life of Rub�n Dar�o, father of Modernism, in this new addition to the award-winning series Cuando los grandes eran peque�os