Gimnazija Šentvid Ljubljana DRINKING WATER DRINKING WATER THE CHALLENGE OF TODAY THE CHALLENGE OF TODAY
Dec 31, 2015
Gimnazija Šentvid Ljubljana
DRINKING WATERDRINKING WATER
THE CHALLENGE OF TODAYTHE CHALLENGE OF TODAY
Gimnazija Šentvid LjubljanaGimnazija Šentvid, Ljubljana
Drinking Water – the Challenge of TodayDrinking Water – the Challenge of Today
Interdisciplinary and cross curricular approach to teaching and learning the above issue in school years 2009/10 and 2010/11 Students involved: second class high school, age approximately 16
Basic subjects: geography, chemistry, biologygeography, chemistry, biology psychologypsychology
Gimnazija Šentvid Ljubljana
GENERAL IDEA ISGENERAL IDEA IS
to implement new teaching and learning methods,
to understand the topics in context as integrated problem,
to achieve new competencies
in natural sciences, in data collecting and
evaluating, in use of ICT, in ecological awareness,
in active citizenship…
Gimnazija Šentvid Ljubljana
GeographyGeography
OObjective: clean underground waterbjective: clean underground water
Development of ecology in the world, Europe, Slovenija – the accordance of Slovenian legislation with the European legislation
Slovenija is rich in underground water stores – studying the possibilities to prevent it from pollution Comparison of drinking water in Canada (native speaker involved) and in Slovenija
Gimnazija Šentvid Ljubljana
Mapping in groups of neighbourhood places regarding illegitimate waste deposits
Reading articles and debating about underground water conditions
Visiting the water supply power plant
Gimnazija Šentvid Ljubljana
ChemistryChemistry
OObjectivesbjectives
Studying the dissolving processesStudying the dissolving processes: the emphasis on lime stone and carbon dioxide equilibria – Slovenija is known for large Karst regions and numerous mineral waters:
CaCO3(s) + CO2(aq) + H2O(l) Ca(HCO3)2(aq)
Gimnazija Šentvid Ljubljana
Following the substances dissolved in water Following the substances dissolved in water regarding the quantity and health hazardsregarding the quantity and health hazards Students search for the data and present the possible hazards for drinking water regarding:
metal cations, heavy metals, ammonium NH4
+ (aq), H2S (aq), anions NO2
- (aq), NO3- (aq),
benzen and other similar substances, pesticides, halogenated hydrocarbons.
Gimnazija Šentvid Ljubljana
The preparation of drinking water The preparation of drinking water
Studying the reports about impact of techStudying the reports about impact of technnical snowical snow on the Alpion the Alpinene environment (especially the impact of environment (especially the impact of ammonium nitrate): ammonium nitrate): the debate in English, French or Slovenian about “pros” and “cons”
Analysing different sources or springs in chemicalAnalysing different sources or springs in chemical laboratorylaboratory - preparing samples, - testing water samples, - writing a report, - presenting the report to classmates and to parents
Gimnazija Šentvid Ljubljana
BIOLOGYBIOLOGY
Objectives: Objectives: to answer the questions
1. Why do we drink?
2. Why do we drink bottled water?
Gimnazija Šentvid Ljubljana
Topics of concern:Topics of concern:
water as a biological medium,
dehydration,
beverage with taste, stimulants, additives,
water circle in nature,
“self cleaning” of water,
pollution of water sources,
hidden trap in bottled water
Gimnazija Šentvid Ljubljana
I fully agree with I fully agree with careful use careful use
of drinking water of drinking water
Emotional component.
Leaking water taps,cleaning the cars…
make me angry
Dinamic c. I put off water taps, I take care not to pollute, I encourage the others to follow my example.
Cognitivecomponent
Put off the water tap!A lot of drinkingwater can be
preserved!
PSYCHOLOGYPSYCHOLOGY