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Our students from the 7th grade divided in groups of four studentsstudy freshwater in different areas.

Step one Identification of fresh waterproblems and other features in classroom

Group 1 - Study the Portugal freshwater reserves

Group 2- Water resources uses

Group 3- Identify the main water pollution problems in Portugal

Group 4- Collect and analyze the water quality from a small river near school

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Group1

StudyPortugal

freshwater

reserves

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Students searched in school libraryin magazines, encyclopedias, atlas

and in the web.

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Searched sites

Main underground freshwater reservesin Portugal

http://sniamb.apambiente.pt/webatlas/

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http://snirh.pt/

Searched sites

Information about

underwater formation

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Freshwater reserves and management

http://snirh.pt/index.php?idMain=4&idItem=2

Searched sites

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http://sniamb.apambiente.pt/webatlas/

Rivers and lagoons reserves in Portugal

Main mineral water springs in Portugal

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Natural Places and parks

So Simo river beach

Mizarela water falls

http://olhares.aeiou.pt/frecha-da-mizarela--serra-da-freita-arouca-foto3420210.html

http://olhares.aeiou.pt/fragas-de-s-simao---figueiro-dos-vinhos-foto2198.html

Douro River classified as world heritage http://en.wikipedia.org/wiki/Douro

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Group2

Waterresources

uses

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The portugal dams

The Portugal damsretain the main freshwater used foragriculture, energy

production anddrinking water.

http://www.meteopt.com/forum/seguimento-meteorologico/evolucao-da-seca-

portugal-2005-a-61.html

Map of dammanagement waterreserves

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A very short

resource

compared with

the salt waterreserves

Drinking water

http://snirh.pt/

Information about theamount of fresh waterreserves in the world

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Group3

Identify themain waterpollution

problems inPortugal

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Not treated sewage water dumped in rivers

http://vistasnapaisagem.weblog.com.pt/arquivo/3vistas_a_evitar/

Despite we have a large network ofliquid sewage collectors there issome places that arent treated yet.

Tranco River

http://www.prof2000.pt/users/jferro/agua.htm

http://e-geo.ineti.pt/edicoes_online/diversos/agua_subterranea/poluicao.htm

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The amount of water

consumption has been

increased In the last years

and is one major

environmental problem

Water consumption

http://snirh.pt/junior/?menu=2.2&item=4

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How do we treat water in Portugal?

The sewage water treatment is

made in a large collection of

wastewater plantGaia city near Portowastewater treatment plant

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Underground water pollution is one of our

most difficult problem to solve

This web site identifies the

problem and the possiblesolutions.

http://snirh.pt/junior/?menu=2.2&item=6

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Group4

Collect andanalyze the water

quality from a

small river nearschool

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T

o study water a group of some studentssample our river water near school

Some information was

registered in place (Temp.

and pH) and another was

identified in the school lab.

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River water quality identificationResults:

The water is good

for some fishes

but not for

human drink.