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Презентация, доклад по теме Water pollution 9 класс
Содержание
- 1. Презентация по теме Water pollution 9 класс
- 2. There are some ecological problems, which can
- 3. Water is necessary for life on the
- 4. Kind of water pollutionPolute by heavy metalsPolute by radioactive substancePolute by sewage runoff
- 5. Polute by heavy metalsDifferent substance get on
- 6. Polute by radioactive substanceDevelopment of the nuclear
- 7. Resolution ways of water polution Water cleaning
- 8. QuestionsWhat kinds of water pollution do you
There are some ecological problems, which can worsen life on the Earth.For example water and air pollutions and cut down forests. Scientists and ecologists are worry about it.I want to tell you about water polution.
Слайд 2
There are some ecological problems, which can worsen life on the
Earth.
For example water and air pollutions and cut down forests. Scientists and ecologists are worry about it.
I want to tell you about water polution.
For example water and air pollutions and cut down forests. Scientists and ecologists are worry about it.
I want to tell you about water polution.
Слайд 3Water is necessary for life on the Earth. But people pollute
it. Therefore so many bodies of water, wich non drinkable. Reason for that factory’s wastes. Its get to the water and pollute it.
Слайд 4Kind of water pollution
Polute by heavy metals
Polute by radioactive substance
Polute by
sewage runoff
Слайд 5Polute by heavy metals
Different substance get on water in the course
of activity of the large plants. This substance can consist of heavy metal. If this water get into a men or animals, they can die. Sourses of pollution are known. There are first of all the metallurgical enterprises and automobile plants.
Слайд 6Polute by radioactive substance
Development of the nuclear industry has done harm
to all, who live on the planet including bodies of water.
Sourse of pollution by radioactive substance: the rainfall which is dropping out in areas where nuclear tests hold and ships which work witn nuclear reactors (at accident).
Sourse of pollution by radioactive substance: the rainfall which is dropping out in areas where nuclear tests hold and ships which work witn nuclear reactors (at accident).
Слайд 7Resolution ways of water polution
Water cleaning is one of the
ways to resolution of this problem. Owners of the enterprises have to attend to installation of qualitative treatment facilities.
Слайд 8Questions
What kinds of water pollution do you know?
What are the reasons
of water pollution by heavy metal?
What are the sources of water pollution?
What are the sources of water pollution?
