100 mitos

Huracanes y tornados is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics--more than 1,000 per title--combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.

Provides a simple description of how astronauts aboard a space shuttle perform everyday activities such as eating, drinking, and sleeping.

¿Qué es la luz? ¿Cómo se produce? ¿Qué son las ilusiones ópticas? Convertirse en un verdadero investigador es fácil y divertido. En este libro, los niños encontrarán muchas experiencias que lo ayudarán a descubrir espectaculares fenómenos con la luz como protagonista. Podrán inventar lupas, periscopios y ¡hasta una cámara fotográfica de verdad!

With gentle encouragement, this book teaches children that they can think before speaking, choose what to say and how to say it, and find positive ways to respond when others use unkind words. The importance of saying “I’m sorry” is reinforced. Includes tips for parents and caregivers.