¿Por qué hibernan los animales? (Why Animals Hibernate)

Although Earth is mostly made up of igneous and metamorphic rock, sedimentary rock covers about 75 percent of Earth's land surface. This means it's the most visible kind of rock on Earth. Sedimentary rocks form when sediment accumulates and compacts. Your readers will learn how sedimentary rocks form, the different types of sedimentary rocks, and how people use sedimentary rocks. Fun fact boxes provide readers with additional information. A helpful diagram illustrates how sedimentary rocks form.

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

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.

Although Earth is mostly made up of igneous and metamorphic rock, sedimentary rock covers about 75 percent of Earth's land surface. This means it's the most visible kind of rock on Earth. Sedimentary rocks form when sediment accumulates and compacts. Your readers will learn how sedimentary rocks form, the different types of sedimentary rocks, and how people use sedimentary rocks. Fun fact boxes provide readers with additional information. A helpful diagram illustrates how sedimentary rocks form.

Los pequeños «hacen»/«crean» arte para conocer, explorar, experimentar y, en definitiva, descubrir su mundo. El arte les permite descubrir el misterio, la creatividad, la alegría, la frustración. Lo que para ellos importa es el proceso del arte, no el resultado. El libro contiene más de 200 procesos completos de experiencia artística, ordenados por estaciones del año y divididos en meses. Las ideas plásticas son de dibujo, pintura, modelado de masa y arcilla, artesanía y construcción. Los trabajos, perfectamente descritos y secuenciados, pueden ser utilizados del modo más...

- Tintin is a world famous series with 75 years of staying power! The series' enduring popularity is evident from its elaborate website (www.tintin.com) that offers Tintin news and information in five different languages. The news section of the site indicates that in addition the ongoing publication of new books about the series and about the author's life, Tintin art exhibitions and theatrical adaptations continue worldwide. The site also includes a list of retailers who carry Tintin products, and its own online store which offers a generous helping of books, apparel, accessories, toys,...

Esta obra, que supuso una auténtica renovación de los estudios bíblicos, es considerada actualmente todo un clásico de su especialidad. Constituye un excelente compendio de la orientación hermenéutica seguida por Othmar Keel desde sus primeros trabajos: el estudio del Antiguo Testamento a partir de la comparación del texto con la iconografía del Próximo Oriente antiguo. La aproximación iconográfica desarrolla la vinculación de los sistemas ortográficos del Próximo Oriente con sus respectivas artes pictóricas y explora el carácter de representación evocadora tanto de la...