El poderoso océano (The Powerful Ocean)

In the last one hundred years, Earth’s average temperature has risen one full degree. That might not sound like much, but it affects Earth’s oceans, land, plants, and animals. Learn all about global warming, the carbon cycle, the greenhouse effect, and weather and climate with this Spanish science reader that brings the power of science and informational text to students at a level they can understand. This nonfiction book introduces students to new concepts, vocabulary terms, and STEM topics. With detailed images and fascinating sidebars, the leveled text supports students reading at...

Esta antología encierra en todas sus páginas toda la sensibilidad y la curiosidad de un hombre que sabe contar historias y que utiliza la poesía como medio para transmitirlas. José Hierro escribe sus poemas con palabras sencillas que suenan como una composición musical porque para él la poesía no es presumir con imágenes de listillo.

Montar en bicicleta es un ejercicio divertido y muy bien, pero hay reglas de seguridad para saber. Este libro explica las medidas de seguridad a un ciclista debe seguir.

Describes which animals are loud and which are quiet, including such creatures as cicadas, whales, mice, and fish.

Who were the earliest Americans? When, how, and from where did they enter and spread across the continent? And what is their relationship to modern Native Americans? Anthropologists develop theories to answer these questions based on the evidence they discover. Their theories—and the discoveries that prove and disprove them—are highlighted in this fascinating volume, full of awe-inspiring facts and incredible breakthroughs. Readers will feel like anthropologists and archaeologists themselves as they read about bones and artifacts, and what they reveal about the ancient cultures that roamed...