This is a power-point presentation showing the causes, effect & preventive measures of water pollution.and the definition of it.This is for students who live in india and in 9th standard of cbse.This lesson that is natural resources in science has an activity to do a ppt on it

1. WATER POLLUTION
By:-Abhishek.S
Adithya.R.Shankar
Sai Sanketh
Vaibhav

3. What is earth made of???

4. HYDROSPHERE
Hydrosphere is
polluted by us
humans and this is
called water
pollution.
In this ppt we are
dealing with water
pollution

5. CONTENTS
 WATER POLLUTION INTRODUCTION
 DIFFERENT TYPES OF WATER POLLLUTION
 CAUSES OF WATER POLLUTION
 EFEECTS OF WATER POLLUTION
 WAYS TO STOP WATER POLLUTION

6. Water Pollution
Water Pollution occurs when external polluting
materials are released into the water,
contaminating the quality of it for other users.

7. TYPES OF WATER POLLUTION
POINT SOURCE
NON-POINT SOURCE

8. POINT SOURCE POLLUTION
Pollution flowing from a
single and identifiable
source such as discharge
pipe from a factory,
roadway, or leaking
underground storage
tank. This is called Point
source pollution.

9. POINT SOURCE POLLUTION

10. Non point source pollution
Pollution collected by
rain falling over a
larger watershed
which is then carried
by runoff to a nearby
lake or stream, or by
infiltration into the
groundwater. This is
called Non point
source pollution.

12. Different Causes of Water Pollution
 Marine Dumping
 Industrial Waste
 Sewage, mainly
from households

13. Different Causes of Water Pollution
 Nuclear waste
 Oil spills
 Underground
storage leaks

14. Effects on Environment
 Toxic water
 Thermal heating
 Our sources of
water

15. Effects on Humans
 Diseases caused by:
 Drinking
contaminated water
 Swimming in
polluted water
 Contact with
chemically polluted
water

16. EFFECTS ON THE SEA

17. Effects on Animals
 200 turtles in Australia’s surround
waters die each year

18. Effects on Animals
 Birds and mammals become
coated with oil

19. HEALTH EFFECTS OF WATER
POLLUTION

20. What You Can Do
THESE ARE THE
STEPS
EVERYONE
SHOULD
FOLLOW IN
THEIR LIFE TO
STOP WATER
POLUTION

21. Turn off running water

22. chemicals

23. Fertilize correctly

24. Organize or participate in
a clean up

25. Join a special society devoted to the
prevention of water pollution

26. Spread awareness

27. Thank You For watching this
Power point presentation of
“WATER POLLUTION”
PLEASE
SAVE WATER
IT’S VERY
PRECIOUS