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.

¿Conoces la historia de Malala Yousafzai, la niña pakistaní que, en 2014, se volvió la más joven ganadora de un Premio Nobel por creer que la educación es la herramienta más poderosa para mejorar el mundo? Malala cree que todos los niños —independientemente del sexo, de la raza, del origen social o de la creencia religiosa— tienen el derecho indiscutible a aprender. ¡Y no se resignó cuando en su país se les prohibió a las niñas asistir a la escuela solo por ser muchachas! ¡Porque ir a la escuela era lo más importante para ella, y los libros eran su mayor riqueza! Así, ella ...

Biographical And Science-Related Information, Examining The Life Of Louis Daguerre And His Invention Of Photography.

Pocas personas han tenido tanto impacto en la historia como Cristóbal Colón. Colón estaba convencido de que su idea de viajar desde Europa hacia el oeste iba a cambiar el mundo, pero ni él mismo llegó a imaginar cuánto. Murió sin saber que había descubierto un nuevo continente, donde habitaban muchos pueblos con nuevas maneras de ver y vivir la vida. ¿Como era este hombre que logró que los reyes de España pagaran un viaje que, a ojos expertos, era un gran disparate? ¿Quieres conocer a Colón? ¡Abre este libro y empieza a leer! --Page 4 of cover.

In English and Spanish, help children understand their fears and teach them simple coping skills. It is natural for children to feel afraid sometimes. In this English-Spanish bilingual book, encouraging words and supportive illustrations guide children to face their fears and know where to turn for help. Little ones also learn simple ways to help themselves. Includes a special section for adults, with ideas for supporting children when they feel afraid and a list of additional resources, in both English and Spanish. ​The Learning to Get Along® Series The Learning to Get Along series helps...