El Cid Campeador

"Este libro está lleno de preguntas científicas fascinantes y sus respuestas, todas ellas basadas en la ciencia del mundo real. Aprenderás por qué vuelven los búmeran, si un camión puede volar y, por supuesto, cómo meter un huevo en una botella. La respuesta a cada problema explica un principio científico con términos fáciles de comprender, para que no solo resuelvas los enigmas, sino que también aprendas los secretos que hay detrás de los misterios del universo."--Casadellibro.

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.

Learn how crayons are made with this fun and informative STEAM book! Perfect for kindergarteners, this title makes it easy for parents and teachers to introduce STEAM to their youngest learners. Created in collaboration with Smithsonian, this Spanish book uses real-world examples to make STEAM topics easier to understand. It features an age-appropriate STEAM activity that is ideal for makerspaces and introduces English language learners to the steps of the engineering design process. It helps beginning readers learn to read and is ideal for children ages 4-6.

El texto es sencillo y fotos a todo color instruir a los lectores cómo construir un cohete con gas y explica la ciencia detrás de la actividad.