Un agujero en la alambrada

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of debugging. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how debugging works in the real world. In this book, readers will investigate what's wrong with a microscope and learn how to fix it. This nonfiction book is paired...

This book introduces children to fascinating figures throughout history. They include Ramses II, Moctezuma, Nostradamus, Albert Einstein, and Stephen Hawking.

Pocas personas han tenido tanto impacto en la historia como Cristóbal Colón. Colón estaba convencido de que su idea de viajar desde Europa hacia el oeste iba a cambiar el mundo, pero ni él mismo llegó a imaginar cuánto. Murió sin saber que había descubierto un nuevo continente, donde habitaban muchos pueblos con nuevas maneras de ver y vivir la vida. ¿Como era este hombre que logró que los reyes de España pagaran un viaje que, a ojos expertos, era un gran disparate? ¿Quieres conocer a Colón? ¡Abre este libro y empieza a leer! --Page 4 of cover.

Bike riding is a lot of fun, but it can also be dangerous. Read about how people have made cycling safe over the years. Learn how bicycles have changed over time and how bike parts, equipment, and trails make cycling safer. Created in collaboration with the Smithsonian Institution, this Spanish book will ignite a curiosity about STEAM topics through real-world examples. 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 Smithsonian employees...