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My Needs - Water
Prepared by Rathika Kalyaani
One
• Importance of water
• Sources of water
Two
• Water Cycle.
• Water Cycle model making.
Three
• How to save and reuse water.
Four
• Importance of Clean Water
• Water pollution
• Water filtration experiment
Sources of water
Natural Sources
Rivers
Lakes
Springs
Streams
Ponds
Human-made sources
Dams
Canals
Wells
Hand pumps
Condensation
Two
Three
Four
Five
Evaporation
Condensation Precipitation
Collection
See and Write your observation
- https://www.youtube.com/watch?v=G07hXXOEPoA
Water Pollution
Water is facing two main threats:
•WATER WASTAGE
•WATER POLLUTION
Water Pollution
Water Pollution occurs when waste from factories or garbage from homes are
thrown directly into different sources of water.
Effects on Humans
Diseases caused by:
Drinking contaminated water
Swimming in polluted water
Contact with chemically polluted water
Effects on Animals
 Birds and mammals become coated with oil
 Aquatic animals are getting endangered and dying.
What You Can Do ?
(Discussion time)
•

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Grade 2 My Needs Water