Apuntes de química

Esta serie de historias b�blicas para ni�os ha sido ilustrada profundamente y a todo color. Cada libro contiene una historia completa de la Biblia, escrita por una de las autoras mas conocidas y apreciadas por sus libros infantiles.

Discusses the role of the gases surrounding Earth and the relationship of the atmosphere to weather. Presented in English and Spanish.

Como fabricar materiales para juegos que utilizan conceptos matemáticos como el reconocimiento de deseño y forma, comparación, y computación mental.

The story of Spanish explorer Alvar Nunez Cabeza de Vaca brims with his adventures and misadventures throughout the North American Southwest. As of the sixteenth century, no European had journeyed over such a large extension of territory, from the Florida Peninsula to northern Mexico, and survived. This lively and informative volume goes on to examine his eight years of wandering in this unknown land, during which he learned natural medicine from the American natives and became a curandero, learned their languages, and served as a trader and peacemaker among different tribes. Vibrant...