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

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 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.

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 Flame is Cohens powerful goodbye to this world: a compilation of lyrics, selections of his many notebooks which he kept for years, new poems, illustrations and self-portraits. These pages are the works of a poet and lyricist who has plunged into the depths and come up with the truth in his hands.

Desde pequeña Sylvia siente un amor infinito por el mar. Y cuando, aún siendo una adolescente, emerge de su primera inmersión, tiene en mente una única certeza: convertirse en bióloga marina y pasarse la vida en el agua. Desde entonces, Sylvia nunca ha dejado de luchar por el "corazón azul del planeta". Una biografía ilustrada dedicada a la bióloga marina Sylvia Earle, Premio Princesa de Asturias 2018. Mujeres de ciencia es una colección dedicada a contar las vidas de mujeres que han hecho una gran contribución a la ciencia. Retratos complejos y emocionantes, un estímulo y un...

In today's chaotic world, opportunities abound for youth to disengage from community and worship. Once this happens, young people often don't come back. The National Federation for Catholic Youth Ministry wrote From Age to Age in 1997 as part of multiple-year response, to increase youth participation in worship. The document sparked national dialogue on how Roman Catholic parishes might best reach out to and involve youth in Catholic worship. From Age to Age revisits the liturgical principles of Vatican Council II and applies them in creative ways. The document provides strategies to help...

¿Cómo harías de tu vida algo fantástico? ¿Cómo escaparías de la monotonía del mundo real? ¿Cómo te alejarías de los aburridos seres humanos? Y cuando tu obsesión por vivir en un mundo fantástico, tan diferente de aquel que todos los demás ven, se cumpla finalmente... ¿cómo distinguirás la realidad de tu propia fantasía? Sed bienvenidos a la mente de Kala, un lugar donde la peculiar interpretación de las situaciones que vive nos sumergirá en un mundo extraordinario, en el que realidad y ficción se mezclan y conviven a un tiempo sus amigos reales con presencias imaginarias...