Filter Activity Instructions

8/7/2019 Filter Activity Instructions

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EWB Water for the WorldWater Filter ActivityObjectives1.To introduce students to the global issue of access to

clean drinking water2.To make students enthusiastic about technology and its

role in human development

Materials

The following is a list of materials you need for this activity: 1 2-litre plastic bottle per group 1 500-mL plastic bottle per group 1 cup of fine sand per group 1 cup of coarse sand per group 1 cup of fine gravel per group 1 cup of coarse gravel per group 1 cup of activated charcoal per group 1 cotton balls per group 1 transparent plastic cup per group 1 small piece (about 10 cm2)of cheese cloth per group 1 rubber band per group Monopoly money Photocopies of country profiles and instruction handouts Luxury items such as candy (make sure to check with the teacher first!), or pencils for

country groups to buy

Here are some suggestions of where you can find the materials you need:Material Where to find it

2-litre plastic bottles Recycling bins on recycling day500-mL plastic bottles Recycling bins on recycling dayBuckets or plastic bins Hardware storeCharcoal, activated Aquarium storeCheese cloth Kitchen or car cleaning section of Canadian TireCotton balls Drug store or dollar store

Gravel (Coarse) Hardware store in the garden section (e.g. Home Depot)Gravel (Fine) Hardware store in the construction section (beside cement)Plastic cups Grocery storeRubber bands Office supply storeSand (Coarse) Hardware store in the construction section (beside cement)Sand (Fine) Hardware store in the garden section

Subjects: Science,Geography, Social SciencesTime: 30-45 minutes


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Instructions United States

General

GeneralArea: 9,826,630 km2

Population:

Urban:Rural:

303,824,64677.2%22.8%

Main Language: English Growth Rate: 0.88% per year

Water Resources

Rainfall: 940 mm Total water use

Total water

withdrawals: 1600 m3

/cap/year

Domestic:

Industrial:Agricultural:

13%

46%41%

Health

Life expectancy:Infant mortality rate:

78.1 years6 infant deaths/1000 live births

Literacy

Adult literacy: 99% of population age 15 and above

EconomyGDP per capita(PPP US$)

$45,800

Overseas Development Assistance (Aid)

% of GDP 0.16%

UNITED STATES


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Instructions United States

Instructions

1.Loosely put a cotton plug in the neck of the cut bottle, then cover the neck of the bottlewith a piece of cheese cloth secured with a rubber band.

2.Pour a 1-cm layer of fine sand over the cotton plug, followed by activated charcoal, 1-cm

of coarse sand, fine gravel, and coarse gravel.3.Clean the filter by slowly and carefully pouring through 1-litre of clean water (over a

bucket).4.Place the filter over a plastic cup. Now, test your water filter by pouring half of the dirty

water through the filter.

Cost of MaterialsActivated Charcoal $50/cup Rubber Band $5 each

Cheesecloth $5/square Sand, Coarse $20/cupCotton $5/ball Sand, Fine $20/cupGravel, Coarse $10/cup Water, Clean $50/litreGravel, Fine $10/cup


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Instructions Canada

General

Area: 9,984,670 km2 Population:Urban:Rural:

33,212,00078%22%

Main Language: English, French Growth Rate: 0.83% per year

Water Resources

Rainfall: From 250 mm in Yellowknife, NWTto 2415 mm in Prince Rupert, BC

Total water use

Total waterwithdrawals:

1386 m3/cap/yearDomestic:Industrial:Agricultural:

20%68%12%

Health



Literacy


EconomyGDP per capita(PPP US$)

$38,400

Overseas Development Assistance (Aid)

% of GDP 0.29%

CANADA


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Instructions Canada

Instructions

1.Loosely put a cotton plug in the neck of the cut bottle, then cover the neck of the bottlewith a piece of cheese cloth secured with a rubber band.

2.Pour a 1-cm layer of fine sand over the cotton plug, followed by activated charcoal, 1-cm

of coarse sand, fine gravel, and coarse gravel.

3.Clean the filter by slowly and carefully pouring through 1-litre of clean water (over abucket).

4.Place the filter over a plastic cup. Now, test your water filter by pouring half of the dirty

water through the filter.

Cost of Materials

Activated Charcoal $50/cup Rubber Band $5 eachCheesecloth $5/square Sand, Coarse $20/cupCotton $5/ball Sand, Fine $20/cupGravel, Coarse $10/cup Water, Clean $50/litreGravel, Fine $10/cup


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Instructions South Africa

General

Area: 1,219,912 km2 Population:Urban:Rural:

43,786,00057%43%

Main Language: English Growth Rate: -0.5% per year

Water Resources

Rainfall: 464 mm Total water use



31%6%63%

Health

Life expectancy:Infant mortality rate::

42 years58 infant deaths/1000 live births

Literacy


Economy

GDP per capita(PPP US$)

$9,800

SOUTH AFRICA


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Instructions South Africa

Instructions

1.Loosely put a cotton in the of the cut bottle, then cover the neck of the with a of cheese secured with a band.

2.Pour a 1-cm layer of fine sand over the cotton plug, followed by activated, 1-cm of sand, fine, and gravel.

3.Clean the filter by slowly and carefully pouring through 1-litre of water (over a

bucket).

4.Place the filter over a plastic cup. Now, test your filter by half ofthe dirty through the filter.

Cost of MaterialsActivated Charcoal $50/cup Rubber Band $5 each

Cheesecloth $5/square Sand, Coarse $20/cupCotton $5/ball Sand, Fine $20/cupGravel, Coarse $10/cup Water, Clean $50/litreGravel, Fine $10/cup

R VEL

SAND

ACTIVATED

CHEESE


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Instructions Cameroon

General

Area: 475,440 km2 Population:Urban:Rural:

18,467,69249%51%

Main Language: French, English Growth Rate: 2.2% per year

Water Resources

Rainfall: 1,000 1,750 mm Total water use



18%8%74%

Health



Literacy

Adult literacy: 67.9% of population age 15 and above

Economy


$2,100

CAMEROON


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Instructions Cameroon

Instructions

1. put a plug in the of the cut, then the of thewith a of cheese secured

rubber.

2. a 1-cm of fine sand the cotton plug, by charcoal, 1-cm of sand, fine gravel, gravel.

3. the filter by carefully pouring clean

water ( bucket).

4.Place the over a plastic cup. Now, your water filter by pouring of the dirty water through the filter.

Cost of MaterialsActivated Charcoal $50/cup Rubber Band $5 eachCheesecloth $5/square Sand, Coarse $20/cupCotton $5/ball Sand, Fine $20/cupGravel, Coarse $10/cup Water, Clean $50/litreGravel, Fine $10/cup

GRAVEL

CHEESE

CHARCOAL

SAND


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Instructions Ghana

General


23,382,84838%62%


Water Resources

Rainfall: 1,000 mm Total water use



24%10%66%

Health



Literacy


Economy


$1,400

GHANA


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Instructions Ghana

Instructions

1. put a cotton neck of the cut, then neck of the a piece of cheese

with a rubber band.2.Pour a 1- of fine sand over the plug,

activated, 1-cm of , fine gravel, and coarse

3.Clean filter and carefully -l of clean

water (over a bucket).

4. filter over a plastic. , test water filter bypouring of the dirty through the filter.


CHEESE

ACTIVATED

COURSE


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Instructions Malawi

General


13,932,00015%85%


Water Resources

Rainfall: 875 - 1250 mm Total water use



15%5%80%

Health


43 years90 infant deaths/1000 live births

Literacy


Economy


$800

MALAWI


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Instructions Malawi

Instructions

1.Loosely in the cut, cover of with of cloth a.

2. a-cm fine cotton,

followed charcoal, coarse , gravel, .

3.Clean by pouring 1-

litre clean (over bucket).

4.Place over a cup. , test water by pouring dirty thefilter.


CLOTH

GRAVEL

COARSE CHARCOAL

Filter Activity Instructions

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Transcript of Filter Activity Instructions