El ciclo del nitrógeno (The Nitrogen Cycle)

A Rube Goldberg machine is designed to perform a simple task through a series of elaborate steps. These simple machines are named after Reuben “Rube” Goldberg, an American cartoonist, engineer, and inventor. Learn how these fun machines work and ignite a curiosity about STEAM topics! Created in collaboration with the Smithsonian Institution, this informational text features a hands-on STEAM challenge that is perfect for makerspaces. Make STEAM career connections with career advice from Smithsonian employees working in STEAM fields. Perfect for school reports and projects, this Spanish book...

A partir de una secuenciación de contenidos de Lengua y Literatu-ra, se desarrollan totalmente tres Unidades Didácticas: "El Diccionario, un libro fundamental; "La Descripción: el sustantivo y el adjetivo"; "La Narración: el verbo". Incluye también criterios de evaluación y bibliografía comentada.

It is gooey and sweet, a delicious, chewy treat. It is bubblegum! Come along as we smack, blow, and pop our way through addition and subtraction! Students will develop their math skills while engaged in reading about the fascinating history of gum. This Spanish math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, intriguing sidebars, practice problems, and math diagrams make learning arithmetic concepts relevant and fun. Text features include a table of contents, glossary, and index to increase...

English Spanish bilingual children's book. Perfect for kids studying English or Spanish as their second language. In this insightful children's picture book, you will meet Amanda, a young girl who had a lot to learn about hard work and how to make her dreams a reality. Join Amanda to her wonderful journey, and learn with her how to find your goal and make it come true. You will watch her face challenges but never give up along her path to achieving her goal. "Amanda's Dream" is a motivational book for children and their parents. This is the first book in a collection of short motivational...