Los ciclos de la Tierra (Earth’s Cycles)

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...

Chronicles The Acquisition And Settlement Of The Various Territories That Have Not Become States But Are Governed By The United States.

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 data analysis. 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 data analysis works in the real world. In this book, readers look at data about the population of Chicago in order to learn more about the city. This...

Un libro lleno de humor para descubrir los misterios más fascinantes y mejor guardados del UNIVERSO. Desde la existencia del propio mundo los avances y descubrimientos científicos han sido el motor del progreso de la humanidad. Pero nuestras creencias no han sido siempre las mismas y hoy en día sigue habiendo un montón de dudas que nos asaltan: ¿acaso somos tan especiales como nos creemos?, ¿se puede apagar el Sol? ¿abandonaremos algún día la Tierra?, ¿es posible habitar otros planetas?, ¿hay vida inteligente ahí fuera?, ¿qué es eso de la materia oscura? Un recorrido...