All cases (briefly)
Sense: While we are not thirsty, we do not even think about the importance of water in our lives. The human body is largely composed of water, but we rarely appreciate the aquatic environment as "own." What is the difference between the body of water in a glass of water, in rain drops in the river? What water for us is"right"? Why do some scientists call water anomalies?
Attractiveness: The case-lesson is fully consistent with the school curriculum in science, ecology, art, economics, and extends and complements it.
Competence: Teamwork, leadership, independence and positive thinking, the ability to filter information, overcoming obstacles, agility, skills, inventiveness, ability to understand the art and business.