La optimización mecánica en el medio acuático

Learn the history of number systems with this engaging Spanish book! This text combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. Students will learn place value while reading about the number systems of the Egyptians and Romans, and also learn important vocabulary terms like cuneiform, binary systems, roman numerals, and more! The full-color images, math charts, and practice problems make learning math easy and fun. The table of contents, glossary, and index will further understanding of math and...

¡Es asombroso lo relevante que es la Biblia! Las adolescentes se identificarán con las vidas y aventuras de los personajes bíblicos. Además, descubrirán las promesas de Dios que les ayudarán con los retos que enfrentan hoy. Su vida cambiará cuando decidan conocer mejor la Biblia. Este libro les explicará cómo hacerlo. Descubrirán lo que dice la Biblia y será su guía personal para todo lo que hacen. Elizabeth George les ofrece muchas ideas ingeniosas para el estudio bíblico y la aplicación práctica. Las adolescentes se acercarán más Dios... ¡y experimentarán cambios muy...

Correlated to the science curriculum, our Spanish-language series describes how the types of homes that different animals build reflect adaptations to their environments. Through simple, easy-to-follow text, each volume looks at each type of home as a shelter from predators and weather and a place to store food and raise young. Young readers also learn how animal homes and human homes fulfill similar needs and functions.

Durante décadas, los toques y chirridos de la guitarra eléctrica han sido algunos de los sonidos que definen la música popular. Pero tuvo que pasar más de un siglo de esfuerzo e innovación antes de que este instrumento fuera eléctrico. For decades, the blasts and howls of the electric guitar have been some of the defining sounds of popular music. But more than a century of effort and innovation had to happen before this instrument went electric. Learn about the master craftspeople who created the guitar as we know it, the inventors who figured out how to send guitar notes through...