Exploremos el ciclo de la roca (Exploring the Rock Cycle)

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.

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.

Connie es una joven brillante aspirante a profesora de Historia en la dura y competitiva Universidad de Harvard. El verano que debe decidir el tema de su tesis doctoral su madre le pide que vacíe la deshabitada casa de su abuela, cerca de Salem, con el propósito de venderla. Allí, oculta dentro de una Biblia, Connie encuentra una llave que esconde un papel con una extraña inscripción. La investigación que llevará a cabo para desvelar su significado la obligará a remontarse hasta la caza de brujas de Salem, en 1692, y la conducirá a un misterioso libro.Connie decide entonces escribir...

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of testing. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers’ learning experience and show how testing works in the real world. In this book, a narrator freezes water to make ice and makes sure his process worked. This nonfiction title is paired with the...

"Escribir es la soledad máxima, y por contra, la compañía global. Tú y tus personajes. Es la libertad. Y la libertad no admite métodos ni manuales. Entonces, te preguntarás qué diablos tienes en las manos. Es una buena pregunta. No lo sé. O por lo menos no estoy seguro de saberlo. No he querido escribir un método o un manual. Sólo intento explicar lo que pienso, lo que siento, y lo que creo que es para mí mismo el arte de escribir." Jordi Sierra i Fabra La página escrita no es un método de escritura al uso. Tampoco pretende ser el mejor manual o el definitivo. Es una ocasión...

This title is an introductory look at vibrant toucans. Readers will learn about the number of species, what toucans look like, common habitats and habits, diet, and young. Complete with big, colorful photographs and more facts. Aligned to Common Core Standards and correlated to state standards. Abdo Kids Jumbo is an imprint of Abdo Kids, a division of ABDO. Translated by native Spanish speakers and immersion school educators.