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1. Introduction
   
   Have you ever seen foam on the beach and wondered what it is and where it comes from?
   
   To solve this mystery, NAUSICAA has created an interactive workshop in the frame of the ISECA project.
   
   
2. Experiment
   
   In this activity public is asked its opinion by using an innovative computer tool which allows people to vote with individual keypads: the PowerVote System. Alternatively you can still use other tools for example numbered cards that people can raise in the air to give their opinion (see suggestions in annex). The first objective of this activity is to know more about people's perception on the phenomenon of foam and to test their knowledge on eutrophication. Then, explanations are given: what is eutrophication, what causes eutrophication and what are the consequences for the environment? Finally suggestions are made to obtain a better water quality in future.
   
3. This tool is designed for adults and children from 13 years old.
   
   Download the storyboard and questionnaire of this activity below!
   
   • Storyboard
   • Public questionnaire (PowerVote)