1. Our planet’s priceless natural resource

2. Water is VITAL for life on Earth
We need water for
Growing food
Staying healthy
Transportation
Many other things

3. Characteristics
It has
no TASTE,
no ODOUR,
no COLOUR

4. The Chemical formula
Two hydrogen atoms
One oxygen atom
One molecule of water

5. Water exists in THREE states
Liquid Gas
Solid

6. The water cycle

7. 97% of Earth water is SALT water
while only 3% is FRESH water

8. As population grows…
water is used MORE and MORE
Some places RUN OUT of it
Less healthy water
More polluted water

9. WATER
by Prof Estefanía González
Images downloaded from
www.flickr.com
www.pixabay.com
www.commons.wikimedia.org
Video downloaded from
www.youtube.com
THANKS!!!

10. WATER
by Prof Estefanía González
Images downloaded from
www.flickr.com
www.pixabay.com
www.commons.wikimedia.org
Video downloaded from
www.youtube.com
THANKS!!!