Exploremos las rocas sedimentarias (Exploring Sedimentary Rocks)

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.

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.

Un libro de referencia para todas las preguntas que chicos y chicas se hacen sobre el sexo, aunque les resulta incómodo hablar de ello. Con textos escritos por profesionales, serio, riguroso, pero al mismo tiempo ameno y divertido. Porque la mejor protección es la información.

Correlated to the science curriculum, our Spanish-language series describes how the types of homes that different animals build reflect adaptations to their environments. Through simple, easy-to-follow text, each volume looks at each type of home as a shelter from predators and weather and a place to store food and raise young. Young readers also learn how animal homes and human homes fulfill similar needs and functions.

De Alaska, Guatemala, Tanzania, Siberia, India, Nueva Zelanda, China o Marruecos provienen los niños y las niñas deestos cuentos. Historias para aprender cómo se vive en esos lugares, cómo se visten sus habitantes, qué animales hay oqué se come. Una manera muy positiva de acercar a los pequeños lectores a nuevos mundos.

Historias Clásicas de la Biblia son contadas a los mas pequeños para entender las promesas y verdades que son simplemente presentadas para los corazones jóvenes. Cada historia incluye un verse de la escritura correspondiente, junto con una promesa relevante. Verdades bíblicas incluyen: Dios es el creador, Dios is fiel, Dios mantiene sus promesas, Dios escucha tus oraciones, Dios sabe que es mejor, Dios es indulgente. Ilustraciones brillantes y texto fácil de entender lo harán uno de los favoritas de la familia. Historias incluyen: ¡Dios Hizo Todo! Adán y Eva, La Arca de Noé, Padre...