Química, un proyecto de la A.C.S.

Biographies and bibliographies of members are included in many of the volumes. Lists of members are usually given on covers of the numbers.

In the beginning, Earth was an inhospitably alien place―in constant chemical flux, covered with churning seas, crafting its landscape through incessant volcanic eruptions. Amid all this tumult and disaster, life began. The earliest living things were no more than membranes stretched across microscopic gaps in rocks, where boiling hot jets of mineral-rich water gushed out from cracks in the ocean floor. Although these membranes were leaky, the environment within them became different from the raging maelstrom beyond. These havens of order slowly refined the generation of energy, using it to...

Biographies and bibliographies of members are included in many of the volumes. Lists of members are usually given on covers of the numbers.

"Stem es un divertido método que combina aprendizaje y juego desde una aplicación práctica basada en el entretenimiento, cuyo fin es encontrar la resolución a distintos retos dentro de estas cuatro áreas. La ciencia busca respuestas para entender y mejorar el funcionamiento del mundo que nos rodea, a través de investigaciones y diferentes pruebas. Enfréntate a ella desde la pregunta y resuelve tú mismo las actividades que te proponemos en cada tema."--Iberlibro.com