Acid rain

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Acid rain
Acid rain
School ecological project
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What is Acid rain and what causes it?
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Powerstation

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City transport
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Factories
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Ph
                                              
                                                  
                                                  
                                                

• What is pH?

The diagram shows the pH soale and the pH of
same common items.
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Red-violet vegetables
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Measure of acid rain

• 1.) Quantity of rainfall or snowfall (ml).
• 2.) pH of rainfall with special pH paper.
• 3.) Kind of rainfall or snowfall.
• 4.) Direction of wind.
• 5.) Is the rainfall clean?

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Results of measuring

• Measuring was affected by
• -Wind
• -Pollution
• Ideal rainfalls have pH 6-7 (neutrale)
• WE measured pH 4-5
• These results are very bad for nature-Rivers,woods
  ,forest, people(breathe),metal objects.
• Results of measuring are processed -in CZ
• -in 25 states.of the Europe

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Woods and flowers
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Animals and fishes
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... and people
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Lichens
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Tabacco field
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Enviromental projects