Tu mundo: Secretos de los supermercados: Multiplicación (Your World: Shopping Secrets: Multiplication)

When rocks change because of environmental conditions, the new rocks are called metamorphic rocks. A rock's chemical or physical makeup may change because of conditions such as temperature, stress, or pressure. Your readers will learn fascinating facts including where metamorphic rocks are most commonly found, the different types of metamorphism, and how metamorphic rocks are identified. Full-color photographs depict these rocks in nature. A helpful graphic organizer shows how these fascinating rocks form.

The reflection that is presented in this book is born of direct contact with schools that have a multicultural public, its dialogue with the faculty and pupils of these schools, and of the queries raised by its research in intercultural education.

El símbolo perdido, la novela más reciente de Dan Brown, se convierte ahora en un trepidante recorrido a través de ocultas obras de arte, cámaras y túneles secretos y templos de Washington, la capital estadounidense. Más de cien imágenes fascinantes que se muestran al lector y convierten la lectura en una experiencia de lujo. La aventura de Robert Langdon cobra vida a través de los escenarios menos conocidos de la capital estadounidense, revelando un mundo de misterios antiguos, historias sorprendentes y sociedades secretas. Esta edición especial ilustrada desvela todo un nuevo nivel ...

Young students will be enthralled with compelling portraits of famous figures who devoted their lives to improving the world. Includes historical photos and illustrations.