Exploremos el ciclo de la roca (Exploring the Rock Cycle)

When winter hits, many people in colder climates spend most of their time indoors. But what do wild animals do? Some animals spend winters hibernating. Beginning readers will learn what hibernation is, why some animals hibernate and others don't, and how hibernating animals prepare for their long sleep. Full-color photographs grab readers' attention and allow them to draw connections to the narrative. Readers will love learning about this mysterious, restful time in some animals' lives.

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.

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.

Mohandas Gandhi was one of the world's great leaders who used nonviolent resistance to protest against the caste system. Readers will learn all about his life, Hinduism, and the amazing things he accomplished in this inspiring, Spanish-translated nonfiction biographical title. Children will be fascinated and enlivened through interesting facts, vivid images, a helpful timeline, and a glossary that assists in improving vocabulary

¡Los niños aprenderán las palabras sencillas de español en este libro divertido y ilustrado, por ejemplo, soleado, calor, nublado, loviendo, viento, nevando, frío, hoy y el tiempo!(Children will learn simple Spanish words through this fun illustrated story, for example, sunny, hot, cloudy, raining, windy, snowing, cold, today and the weather!)There are so many different types of weather: sunny, cloudy, rainy, snowy and more! Which one is your favorite and what activities do you like to do? From sledding when it’s snowing to having a picnic on a cloudy day, young learners will enjoy the ...

La obra artística y literaria de José María Baez resulta especialmente atractiva por muchos motivos que van desde su especialización estética hasta su singular afecto al lenguaje. Resultado de ello es su carismática personalidad, donde la erudición y la sentimentalidad parecen entenderse en un cordial equilibrio que, no obstante, no deja lugar para certezas convencionales. Esta obra es, quizá, la prueba más patente de ello: "La vida con los otros" se nos ofrece como una colección de nueve ensayos breves, elocuentes y amenos, donde el autor nos deja ver su gusto por el íntimo tiempo ...

El libro se estructura en bloques de contenido, cada uno de los cuales contiene varias Unidades hasta un total de 22. Cada Unidad se inicia con una página, que incluye:título de la unidad, foto motivadora, texto introductorio y contenidos que se desarrollarán en la unidad El desarrollo de cada Unidad se lleva a cabo dividiendo los contenidos en apartados y subapartados. Además, cada Unidad contiene otros elementos muy interesantes: actividades al final de los apartados, ejemplos resueltos al final de los apartados, curiosidades, datos, bibliografía y otros elementos que aparecen en los...