Eres Polvo de Estrellas

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

Take a trip to New Orleans with a young girl and her family as they attend one of the world's biggest parties: Mardi Gras! Learn all about the history of this fascinating festival as you practice subtraction strategies. This fiction math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, engaging sidebars, practice problems, and math diagrams make learning subtraction strategies relevant and fun. Text features include a table of contents, glossary, and index to increase understanding of math and reading...

Los refranes son sentencias cortas que nos acompañan a lo largo de nuestra vida. Los oímos continuamente en una conversación casual, una exposición formal, un consejo fraterno o un reproche hostil. Breves pero significativos, muchas veces resuelven situaciones confusas o absurdas. Por eso, son considerados como proverbios indiscutibles que, a pesar de desconocer su origen, se repiten una y otra vez, sin cuestionar su contenido o su forma. La sabiduría popular y los refranes siempre han ido de la mano. Myriam Rodríguez y Javier Correa, autores del libro, utilizan los refranes como excusa ...

Discusses the role of the gases surrounding Earth and the relationship of the atmosphere to weather. Presented in English and Spanish.