Water Pollution - PowerPoint PPT Presentation

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Water Pollution

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recognize things to avoid pollution. Safe water makes the difference ... Wrap Up. I hope that this has been a great journey into the world of water pollution. ... – PowerPoint PPT presentation

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Title: Water Pollution


1
Water Pollution
  • Melissa Harris
  • July 24,2000
  • Edu506-02

2
Is it true that the water we use is safe? Since
water plays a big part in the lives of humans
and animals on earth, the quality is important.
Water is a precious resource. So many things
pollute the water and causes it to be unsafe for
people and animals. What can be done to protect
the water?
3
Tasks for Water Pollution
  • recognize terms(word search),
  • identify types of problems caused by pollution,
  • explore ways to protect the environment,
  • demonstrate a knowledge of pollution,
  • recognize things to avoid pollution.

4
Safe water makes the difference
  • The United States has made great advances in the
    past 25 years to clean up the aquatic
    environment. Some pollution occurs when rainfall,
    snowmelt, or irrigation runs over the land and
    picks up pollutants, and deposits them into
    rivers, lakes, and ground water.

5
Types of Pollutants
  • Toxic chemicals
  • Pesticides
  • Sediments
  • Nutrients
  • Pathogens
  • Grease
  • oil

6
Controlling Water PollutionWhat does it depend
on?
  • The type of pollutant Is it degradable?
    Pesticide?
  • The source Does it come from an industrial pipe?
    A farmers field? The atmosphere?
  • The effects Is it harming fish? Birds? Plants?
    Humans?

7
Effects of Pollution
  • Causes unclean water for fish
  • Contaminates drinking water
  • Causes illnesses

8
Wrap UpI hope that this has been a great
journey into the world of water pollution.
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