Exploremos las rocas metamórficas (Exploring Metamorphic Rocks)

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.

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.

If asked to define a forest, readers might say, "It has a lot of trees." But many places have a lot of trees. So, what makes a forest a forest? Readers discover that a forest is unlike any other biome on Earth. And a temperate forest is even more specific. Readers learn the many life cycles found within a forest and how the energy pyramid explains the numbers of forest plants and animals. In addition, readers learn by examining how forces usually considered destructive work to help forests survive. 32pp.

A detailed, full-color Spanish-language atlas teaches children about different regions of the world and includes games, activities, and fun characters to make learning geography stimulating. Original.

Juego a contar, sumar y restar es una colección de 6 cuadernos cuyo objetivo principal es introducir de forma progresiva e intuitiva el reconocimiento de los diez primeros números. Se inicia también al niño en la suma y la resta con dichos números y algunas nociones básicas espaciales y de cantidad. En ese título de la colección se trabajan sumas y restas con mayor dificultad, de los números del 0 al 10.

Dada la alta incidencia de accidentes que provocan quemaduras, es esencial conocer tanto los agentes que las producen, como los diferentes grados. Entre las diferentes intervenciones a realizar por los enfermeros se encuentra el cuidado de las quemaduras y por ello deben tener conocimiento sobre ellas. Este libro transfiere competencias acerca de las características, tratamientos y cuidados que se debe aplicar en este tipo de lesión. Índice 1. Descripción del área de quemados 2. La piel. Quemaduras (epidemiología, fisiopatología y clasificación) 3. Tipos de quemaduras 4....