El poder de las chicas

Offers encouragement and practical advice for meeting challenges head on, with words of inspiration and fun, reminding girls to be who they are.

Este texto de la colección "El juego de la ciencia" tiene por objetivo enseñar de forma didáctica una serie de experimentos científicos que sorprenden en el campo de la luz. Específicamente, los chicos aprenderán a crear un arcoiris con mucho ingenio, a comprender cómo funciona el mecanismo de mando a distancia, a elaborar con un estuche de discos compactos una fotocopiadora, a crear un caleidoscopio o un periscopio, a mirar con atención en una cuchara como se distorsiona la luz reflejada en ella, entre otros. Así, con estos libros experimentas el mundo de la ciencia utilizando...

How are crayons made? Clear wax is melted in a factory. Once it's melted, color is added to it, it is poured into crayon-shaped molds, cooled, and wrapped in a paper label. Sorted into sets, the brightly colored crayons are boxed and sent in trucks to stores to be sold to you.

Explains the basic science of flight, the problems of getting vehicles into the air, different types of engines, and aircraft design, and includes instructions for making aircraft models.

Understanding the concepts of solids, liquids, and gases is central to the early science curriculum. States of Matter uses simple, authentic Spanish text to introduce ELL students to these important concepts. Each book features a strong photo-text match and clear, full-color diagrams to enhance comprehension.