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.

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 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.

Read Along or Enhanced eBook: Learn the secrets to artful cupcakes, oven-fresh bread, and other delicious baked goods in this delightful nonfiction title. Readers will learn how mathematics helps bakers measure their ingredients to make tasteful treats. Featuring vibrant images and charts, informative text, and fun, intriguing facts, this Spanish-translated nonfiction book will leave children fascinated by all the details that go into baking their favorite treats--like doughnuts and cookies!

El sexo es todo. El sexo es nada. Así que, ¿cuál es la verdadera descripción? Por la manera en que mucha gente habla, pensarías que el sexo es como la comida, o comemos tres veces al día o nos morimos del hambre. Por otro lado, sabes que el sexo definitivamente no es poca cosa. Es demasiado potente, demasiado instintivo para sencillamente negarlo. Tarde o temprano, todos deben lidiar con ello. Este libro ofrece un acercamiento enteramente personal hacia tu sexualidad y Dios. En otras palabras, el sexo es más que pelvis y formas de conectarse. La sexualidad esta tejida a través de todo ...

¿QUÉ ES VERDAD?Usted ha visto películas y programas televisivos o ha leído libros que contienen ideas sobrenaturales. Muchas veces nos entretienen. Muchachos que son brujos con poderes mágicos, mujeres que ven el futuro, alguien que ve y habla con personas muertas. En cuanto a ideas, estas tienen gran potencial para contar historias. Pero, ¿acaso son reales? Y de ser así, ¿qué significa eso para mí?El lado oscuro de lo sobrenatural le mostrará la verdad subyacente tras lo sobrenatural. Es un manual que separa la verdad de la ficción, a la vez que examina cada tema a la luz de la...

Many people know that some Native American tribes are matrilineal. That means that historically, women had power in governance and some control in her home life. For the European patriarchs that came to North America, that was quite a shock! Through short, surprising, and often amusing facts, readers learn the role of Native American women in their tribes. Including tribes from across North America, the main content emphasizes their daily lives, clothing, and marriage customs, and introduces important female figures in history. A colorful layout and full-color photographs showcase the power...