La luz y sus efectos (Light and Its Effects)

Presenta varios experimentos en cronometría. Para estudiantes de primaria (grados 4-6) y de secundaria (grados 7-9).

Did you know that the first wheel was not invented for transportation or that the system used to create computers was based on the functionality of a sewing machine? In a fun way, this book teaches the history behind inventions that have changed the way we live, from Ancient Mesopotamia to the present. Important details appear at the bottom of each page, including the name of the inventor, the time period, and the place where it occurred.

Exactly 100 facts accompanied by colorful illustrations and maps reveal fascinating information about the life of pirates.

This second volume of Obras de teatro infantil presents comedies of love, fear, adventure and absurdity to be read and performed by children both at school and at home.