Water UseWater Use

By: Beth ,Maiken, and MatjisBy: Beth ,Maiken, and Matjis

• People waste water, reducing the amount People waste water, reducing the amount available for othersavailable for others

• People argue over the rivers that flow into People argue over the rivers that flow into other countriesother countries

Lines of Inquiry Lines of Inquiry How does water use affect How does water use affect other countries?other countries?

Ways humans waste Ways humans waste waterwater• People take bathsPeople take baths

• people buy older technology instead of people buy older technology instead of modern technologymodern technology• people let water runningpeople let water running

Lines of inquiry #2Lines of inquiry #2

• Don’t let the tap run while brushing Don’t let the tap run while brushing teeth, soaping hands or shaving, etc.teeth, soaping hands or shaving, etc.

• Take a quick shower instead of a bath.Take a quick shower instead of a bath.• If the technology is available, choose a If the technology is available, choose a

short flush after using bathroom . short flush after using bathroom .

Human responsibility to use Human responsibility to use less water and adviceless water and advice

Technology impacts on water use• Old technology wastes more water than new technology.• Modern gadgets such as garden hoses and high pressure water sprays have also increased water consumption.

Utensils at HomeUtensils at Home

• A dripping tap can waste 10L per dayA dripping tap can waste 10L per day

• Brushing your teeth for 3 min. with a running Brushing your teeth for 3 min. with a running tap : 18Ltap : 18L

• An average bath tub can hold 100LAn average bath tub can hold 100L

• A shower uses :9L a minute A shower uses :9L a minute

• Flushing the toilet : 8LFlushing the toilet : 8L

• 1 load of washing : 70L1 load of washing : 70L

• 1 dishwasher load : 20L1 dishwasher load : 20L

• 1 car wash : 200L1 car wash : 200L

Using Water for ProductionUsing Water for Production

• 1 car:35,000L1 car:35,000L

• 1 KG of paper:300L1 KG of paper:300L

• 1 KG maize: 900L1 KG maize: 900L

• 1 KG of cheese:1,100L1 KG of cheese:1,100L

• 1 KG of lettuce:25L1 KG of lettuce:25L

• 1 KG of sugar:80L1 KG of sugar:80L

• 1 KG of wool: 150L1 KG of wool: 150L

• 1 KG of aluminum: 1,250L1 KG of aluminum: 1,250L

Water Around the WorldWater Around the World

• An average African uses 8L per person per day An average African uses 8L per person per day (too little)(too little)

• People in Europe use 150-200 per person per day People in Europe use 150-200 per person per day (normal)(normal)

• People in Asia and Former Soviet Union use up to People in Asia and Former Soviet Union use up to 800L per person per day (too much)800L per person per day (too much)

• A person needs 8L to survive one day A person needs 8L to survive one day

How We can Save WaterHow We can Save Water

• Take a shower not a bathTake a shower not a bath

• Don’t let the tap runDon’t let the tap run

• Buy water saving productsBuy water saving products

QUIZ!QUIZ!

In 1 minute how much water does a shower use?In 1 minute how much water does a shower use?

9L

How many liters of water do you need to produce a car?

35,000L

How many liters does a person need in a day to survive?

8L

QUIZ!QUIZ!

Should you take a bath or a shower for 2 minutes to Should you take a bath or a shower for 2 minutes to save more water?save more water?

A shower for 2 minutesHow many liters of water does a dishwasher use per load?

20L

How much water does the average European use in a day?

150-200 liters

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BibliographyBibliography

• Safari montageSafari montage

• Mr.Forster, AASMr.Forster, AAS

• Cattis Bjorlin Hansen, AASCattis Bjorlin Hansen, AAS

• Valarie Bowler, AASValarie Bowler, AAS

• GoogleGoogle