La fuerza y el movimiento (Forces and Motion)

Understanding light and color might seem impossible, but if readers already know the colors of the rainbow, they're part of the way there. Including the light spectrum, wavelengths, and other key concepts, this book tackles light and color for those falling behind in class because of their reading skills. The main text is written with these struggling readers in mind, accompanied by full-color photographs and diagrams to aid understanding. An extended glossary introduces and explains all the vocabulary readers need to continue learning about light and color.

Con páginas desplegables y atractivos modelos realistas de las especies de dinosaurios más populares, este libro es una maravillosa introducción al mundo de estas fascinantes criaturas. With foldout pages and beautiful, realistic models of the most popular dinosaur species, this book is an incredible introduction to the world of these fascinating creatures.

Las 15 B+leccionesB; magistrales que contiene este libro revolucionaron, ya en los anos sesenta, los fundamentos de la pedagogia de la musica. Por entonces, el prestigioso compositor y director de orquesta Leonard Bernstein (1918-1990) presentaba en television sus famosos B+Conciertos para jovenesB; , y explicaba de una forma amena y didactica esos conceptos y puntos considerados aburridos o dificiles en la musica (el solfeo, el contrapunto, los acordes, que es un concierto, la musica sinfonica, como suenan los diferentes instrumentos, etc.). En esta cuidada seleccion de dichos conciertos...

Transcripción de debates entre dos Testigos de Jehová en discusión abierta contra un ateo, grabados con cámara oculta.

Rights are things that make life fair for everyone. But sometimes people are treated unfairly. When this happens, we have to stand up for what is right. We have to become civil rights champions! This Spanish nonfiction book will teach students about civil rights, and introduces them to new vocabulary terms and concepts. Important text features include a glossary, index, and table of contents to engage students in reading as they develop their comprehension, vocabulary, and literacy skills. The Reader's Guide and culminating activity require students to connect back to the text as they develop ...