Exploremos las rocas sedimentarias (Exploring Sedimentary 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.

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.

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 ...

Nuevo Prisma nivel C1 Ejercicios es un material elaborado para consolidar y mejorar el aprendizaje de la lengua a través de actividades que practican la comprension auditiva y lectora, la expresion orale y escrita, los elementos lingüisticos y el léxico, siguiendo un enfoque comunicativo, orientado a la accion y centrado en el estudiante. Asimismo, cada unidad incluye un apartado especifico para la preparacion del examen DELE, segun las directrices de los examenes oficiales del Instituto Cervantes, de manera que el estudiante puede trabajar, a través de las diversas actividades propuestas ...

Helps children learn the alphabet in English and Spanish. ·Thick sturdy cards with rounded corners. ·Includes a guide for parents with games for children of all ages (This product grows with your children!).

When the Pilgrims landed near Plymouth, Massachusetts, in 1620 they were unprepared for the challenges they would face. Many Pilgrims died until Squanto, a Patuxet Indian, taught them how to survive. To give thanks for a good year, the Pilgrims threw a huge feast, later called Thanksgiving.