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1. Work done by:
António Manuel
João Gonçalves
Leandro Serra
Rodrigo Santos
Agrupamento de escolas José Sanches e
São Vicente da Beira

2. - Water cycle.
- The importance of water.
- The water spending.
- Water pollution.
- Where the water goes?
- Distribution in nature.
- Human uses In universes

3. Water is the only substance which
exists in normal circumstances , in all
three states of matter ( liquid, solid
and gas)
Water
cycle

4. The importance of water
Water is very important without it
there was no earth life.
Water is the main substance of living
beings

5. The importance of water
https://www2.ca.uky.edu/enri/pubs/enri129.pdf

6. Water spending
We spent water at home
(bathing, cooking…),
in industry (paper production,
electricity production…),
agriculture (irrigation, give drink
to animals…).

7. Water pollution
The many sources of pollution such
as industries (making things),
humans (throw things to the river)
and agriculture (livestock).

8. Where the water goes ?
Before coming to our homes the water, collected in nature,
is treated in water treatment plant.

9. Where the water goes ?
After the wastewater being used are treated , before being thrown into rivers or seas, in
wastewater treatment plants.

10. Distribution In earth
Most of this water is salt in that the oceans amount of
driking water is less than 2%

11. https://en.wikipedia.org/wiki/Water
https://www.thinglink.com/scene
/702509709852147713#