Tras los pasos de los-- esclavos

Light can travel faster than anything else in the universe. But what exactly is light, and where does it come from? This nonfiction Spanish book teaches students all about light, and introduces them to important scientific concepts and vocabulary terms like infrared, ultraviolet, photos, and visible spectrum. The intriguing images, detailed diagrams, and stimulating sidebars will keep students connected to the text. The fun lab activity provides a real-world learning experience that supports STEM instruction. Aligned to state and national standards, the leveled text supports differentiation....

Expanding on our popular Let’s Explore Science series, this book focuses on the scientific method. The scientific method is a step-by-step process for solving science problems. Scientists use it every day. Explaining each of the five parts; observing and asking questions, researching your topic, forming a hypothesis and testing it, designing and conducting an experiment, and analyzing and drawing conclusions from your result are all mapped out in detail. Learn how this straightforward topic can sometimes be a little trickier than it seems! This book will allow students to generate and...

El autor recuerda a los niños su propia infancia, a través de unos hermosos poemas, nostálgicos y optimistas al mismo tiempo, y les despierta la inquietud por el conocimiento y el desarrollo cultural.

Biografía de Philip K. Dick, uno de los escritores de ciencia ficción más innovadores, ambiciosos y potentes de la segunda mitad del siglo XX. Pero no solo eso, porque su influencia se extiende mucho más allá del género.