The document discusses the importance of water for life on Earth, detailing various sources such as rivers and tanks. It explains the different forms of water (solid, liquid, gaseous) and the distribution of freshwater and saline water. Additionally, it outlines the water cycle, emphasizing processes like evaporation, condensation, and precipitation.

1. TEACHING
COMPETENC
Y LEVEL-1
WATER
BY
R.BHARATHI
1122119BD021

2. WATER
 INTRODUCTON:
water is one of the basic substance
present in the earth.
it plays a vital role in the evolution and
survival of life.
it is impossible to imagine life on the
earth without water.

3. Where do w get water from
 We get from different water source in our
sorroundings.
 Rivers ,water tanks , hand pipes are the main
source of water.
 Example:
 Get water from the pipes in washrooms and
kitchens.

4. Where and how water is found on
the earth?
 Solid form of water-ice
 Liquid form of water-water
 Gaseous form of water-vapour

6. Availability of water
 Saline-97./.
 Fresh water-3./.
 Surface water-0.3./.
 Rever-2./.
 Ground water-30./.
 Other-0.9./.
 Lacks-87./.
 Swamps-11./.

8. Water cycle
 From the clouds water falls on the earth in the
form of rain or snow by this natural procss.
 Evaporation
 Condensation
 Precipitation.
 It is called hydrological cycle.

10. Composition of water
 Water is a transparent
 Tastless
 Odour less
 Nearly colour less
 Two hydrogen atom combined with one
oxygen atom to gives water molecule.

12. THANK YOU