Exploremos las rocas sedimentarias (Exploring Sedimentary Rocks)

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.

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.

Se acabaron las princesas que esperan a príncipes y besan a ranas. Se acabaron las princesas encerradas. No es que nos hayan salido feministas, es que nos han salido de la jaula. Un libro de la colección «Bebi Edita». Que los cuentos que nos cuentan son mentira, lo sabíamos desde hace tiempo. Pero, ¿por qué se repite siempre la misma historia, en las películas, en los libros, en las canciones? Basta ya de princesas, castillos y zapatitos que aprietan demasiado. Marta Mississippi, junto al análisis inflamable de Bebi, trae el final de la historia: ahora el cuento es tuyo. ***...

An introduction to the educational background, equipment, clothing, and various duties of a construction worker.

Ismael trabaja como pescador a lo largo de las costas del norte de África, a pocos kilómetros de la anhelada Italia. El mar es parte integral de su vida, fuente de sustento y símbolo de pertenencia a un grupo. Pero cuando el mar, de repente, le arrebata a su padre, a Ismael no le queda más remedio que abandonar todo lo que conoce y ama, y emprender un viaje desesperado en busca de fortuna y de un lugar al que realmente pueda llamar hogar. Esta novela muestra la cara más amarga de la inmigración, aquellas noticias que cada día destacan en los informativos sobre las miles de personas que ...

Beginning readers will be captivated by the creatures they meet in this Spanish translation of Prehistoric Creatures. The simple text describes ancient animals that swam the seas, soared through the skies, and roamed the Earth long before people existed. Each book describes a group of dinosaurs that shared one or two fascinating features. Dazzling illustrations help bring these amazing creatures to life!