Exploremos las rocas metamórficas (Exploring Metamorphic Rocks)

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.

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.

Excite your fifth grade students with this captivating nonfiction title, which explores the many technological advancements made throughout history. The interesting and intriguing facts found within the informational text, along with vivid images, diagrams, and charts, inspire curiosity in readers as they learn about miraculous inventions like the hologram, 3D printing, virtual reality technology, personalized medicine, and bionic body parts. This Spanish-translated nonfiction title will engage and encourage readers to imagine the next big technological innovation that could change the world. ...

Alexander Graham Bell was always trying to invent new things! In this biography that has been translated into Spanish, readers will learn about Alexander's life as a teacher and inventor of such incredible inventions as the telephone, record player, and metal detector. Colorful images, supportive text, an interesting timeline, and a helpful glossary, table of contents, and index combine to give readers an inspiring look into the life of Alexander Bell.

What substance can act like both a solid and a liquid? Slime! Want to find out how to make your own? Just follow the simple steps inside this book

Con este texto los lectores aprenden todo sobre los chimpancés y su increíble hábitat de selva tropical. Las fotografías de color dan un vistazo a la vida de un chimpancé mientras que las preguntas de pensamiento crítico y un glosario de fotos ayudan a los lectores de no ficción por primera vez. With this carefully leveled text, now in Spanish, readers learn all about chimpanzees and their incredible rain forest habitat. Full-color photographs give a glimpse into the life of a chimp while critical thinking questions and a photo glossary assist first-time nonfiction readers.