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Socrates
503635-LLP-1-2009-1-DE-COMENIUS-CMP
This project has been funded with support from the European Commission. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.
Water quality Water quality
How can the purity of swimming water be tested?
What exactly is the Blue Flag award?
How reliable are the measurements and the criteria for the Blue Flag award?
What is the status of the quality of fresh and salt water for swimming in the Netherlands?
Are there noticeable differences in water quality between EU countries?
 Age of students 
14-16
The quality of swimming water is checked annually according to guidelines that are the same for all EU countries. What are these guidelines? How are they determined and applied? Does the water near your school meet the criteria? These are the questions that will be dealt with in this unit.
Students will investigate how water quality can be determined. Biology, chemistry and mathematics all play a role in this activity. Based on the testing of water samples, students will provide some advice for the local tourist office.

Mathematics
Science
Interpreting and drawing graphs
Calculations using percentages (reliability)
Making maps (scale factors)
Accuracy
Experimental work
Critically evaluate and justify norms
Document results and reflect, evaluate and discuss
Importance of acidic, alkaline and neutral solutions for living organisms, (chemistry) knowledge of abiotic Factors that influence ecosystems (biology, chemistry)
Download
Waterquality Taskincl ...
Waterquality Worksheet...
 
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