Con la energía del Sol ebook

On a clear night, you should be able to see the stars. But we cannot always see them. Light pollution prevents us from seeing the stars and causes other problems as well. Learn about light pollution with this STEAM book that will ignite a curiosity about STEAM topics through real-world examples. Created in collaboration with the Smithsonian Institution, it features a hands-on STEAM challenge that is perfect for makerspaces and that guides students step-by-step through the engineering design process. Make STEAM career connections with career advice from actual Smithsonian employees working in...

Which things move slowly? Read this book to find out about how and why things move slowly. Books in this series introduce children to simple forces. Each book uses simple, repetitive text to teach children basic vocabulary, and includes stunning photographs that show how different forces are at work in the world around us. In Slow, children learn about things that commonly move slowly, how pushes and pulls can make something move slowly, and how some things are slower than others.

Bilingual Bright Baby Animals, from bestselling children's book author Roger Priddy, will increase your child's vocabulary by associating words in both Spanish and English with beautiful pictures. Este libro aumentarà el vocabulario de su hijo ya que asocia palabras en Espanol y Ingles con bonitas ilustraciones.

Las computadoras y el Internet cambiaron para siempre la forma en que comunicamos mensajes y otro tipo de información. También crearon nuevos desafíos para poder mantener esas comunicaciones privadas. Ahí es donde entra la criptología digital, el estudio de la comunicación digital secreta. Aprende sobre cómo trabajan los criptólogos profesionales para burlar a los piratas informáticos y ciberterroristas que intentan acceder a información privada. ¡Luego prueba tus habilidades con una actividad práctica de criptología digital! Computers and the internet forever changed how we...

Knowing when to say we're sorry means knowing when we've hurt someone, whether it was intentional or not. This is not always easy to do, especially for children. This book presents readers with a variety of relatable scenarios in which young people recognize the need for an apology. Readers follow Louis as he shares an embarrassing secret about Aaron with his other classmates, who make fun of Aaron. Louis feels bad for sharing Aaron's secret. What can he do? Each colorful spread presents a different real-life situation that will instill in readers the importance of knowing when to say, "I'm...