Continentes de la Tierra (Earth’s Continents)

Did you know that nature is the world's largest science and engineering lab? Learn how designers and engineers use biomimicry to create or improve products. This title supports NGSS for Engineering Design.

Learn how scientists channel energy from the sun to power awesome innovations! Created in collaboration with the Smithsonian Institution, this STEAM 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 actual Smithsonian employees working in STEAM fields. Perfect for English language learners, this Spanish book builds 1st grade students’ early literacy skills.

Biografía de Azucena Villaflor es un material indispensable para quien quiera conocer detalles del origen de Madres de Plaza de Mayo. Del origen contado por sus propias protagonistas. Y para conocer a Azucena desde tres generaciones anteriores. Pero sobre todo, para recorrer al lado de ella los días tremendos desde el 30 de noviembre de 1976 cuando la dictadura secuestra a su hijo Néstor, hasta que es arrojada desde un avión de la Marina, con vida, al mar.

Among the multitude of dictionaries available on the market, this one stands out for being especially designed for students and learners of English. This dictionary is the ideal learning tool for students at the intermediate level who wish to expand upon their knowledge of the English language. To this end, this volume offers over 40,000 terms taken from everyday language, each with its phonetic transcription to make pronunciation easier. It also features examples of grammatical usage, numerous informative charts (with both grammatical and cultural information), helpful illustrations, and...