1. Water – A Chemical solutionA Chemical solution A Global Experiment?

2. Experiments on Earths´most critical resource The results are reported to a global databaseglobal database 1.pH of the planet 2.No dirt, no germs 3.Salty waters 4.Solar still In English – www.water.chemistry.org www.water.chemistry.org In Swedish – www.krc.su.se under Kemins År www.krc.su.se

3. About the project  The tasks have been chosen by personnel from schools,universities, industrial research and representatives of IUPAC, UNESCO and the Royal Society of Chemistry.  The material can be adopted to suit the needs and requirements of your school  There are some practical issues to be considered  You will be able to try out some of the steps at this work-shop

4. § Calculate your water footprint

6. www.vattenskolan.fi/index.php?.lang=swe

7. Join the Global Experiment ! The Biggest Chemistry Experiment Ever Join the Global Experiment ! The Biggest Chemistry Experiment Ever Activity One pH of the Planet Activity Two Water: No Dirt, No Germs Activity Three Salty Waters Activity Four Solar Still Challenge Use a colorful test to measure the pH of a local water sample and learn about the acidity Learn about water treatment. Clean up a dirty water sample by filtration and then treat it to kill germs Test the salinity of a water sample through evaporation and learn about salts and crystallisation Purify water by distillation and accept a challenge to design a solar still water.chemistry2011.org Experience Chemistry: learn + do Global Partners Global Sponsors Water: A Chemical Solution water.chemistry2011.org The Global Experiment

8. Water – a chemical solution