Cuaderno de Matemáticas 6o Primaria

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.

"Introduccion de Jorge Rodriguez Padron. Su poesia arranca como un grito de emancipacion femenina e individual, con raices en el romanticismo y el modernismo, y recorre un itinerario que irrumpe en el espacio poetico de la modernidad."

Un libro claro, riguroso y estructurado, adaptado a los contenidos curriculares de Ciencias de la Naturaleza de 2o de ESO acompañado de un elevado número de actividades teóricas, prácticas, competenciales e interactivas. Destaca por tener un enfoque hacia las nuevas tecnologías, con vínculos a animaciones y a actividades interactivas. Y por tener un planteamiento encaminado al trabajo de las competencias básicas.

The use of calendars dates back thousands of years. Why are we driven to record time, and what would happen if we did not? Who created the concept of calendars? Why do different cultures use different calendar systems? And why are calendars so important to us? It is about "time" we found out! Created in collaboration with the Smithsonian Institution, this Spanish-translated Smithsonian Informational Text builds reading skills while engaging students' curiosity about STEAM topics through real-world examples. Packed with factoids and informative sidebars, it features a hands-on STEAM challenge...