Summary Water O Water - EVS for Class 3 PDF Download

Summary

• This chapter introduces us to the water. Water is an essential part of our life.
• Water helps us to lead a comfortable life on this planet. We use water for drinking, making food, bathing, washing clothes and many more daily. 

Where We Find Water

Natural Resources

• Sea: a sea is defined as a portion of the ocean that is partly surrounded by land. 
• River: A river is natural flowing water, usually freshwater, flowing towards an ocean, sea, lake or another river.
• Lake: a large area of water surrounded by land.    
• Pond: a small body of still water formed naturally or artificially.                                    
• Groundwater: Groundwater is the water found underground in the cracks and spaces in soil, sand and rock

Artificial Resources

• Well: A well is an excavation or structure created in the ground by digging, driving, or drilling to access liquid resources, usually water.
• Canals: an artificial waterway constructed to allow the passage of boats or ships inland or to convey water for irrigation.
• Dams: A dam is a barrier that stops or restricts surface water flow or underground streams. It has an attached reservoir to store the excess water.
• Tube Wells: A tube well is a form of a water well in which a stainless steel tube or pipe, 100-200 millimetres in diameter, is dug underground.
  

Where We Use Water 

• Drinking: Fresh water from the river or filtered wanted is used for drinking.
• Preparing Food: Again, freshwater from the river and artificial reservoirs are used for preparing food.
• Bathing: Water is used for cleaning and bathing purposes too.
• Washing Clothes: Water is used for washing off the dirty clothes.
• Washing Utensils: All the utensils are washed off with the help of water only.

Where Do We Store Water?

• Bucket
• Jug
• Tanks
• Water Bottles
• Canisters
• Cans
• Drums

Poem: Water

• The above poem was written by Shri Prasad, in Hindi which is translated later.
• This poem brings up the value of water.
• According to the poem, we live because we quench our thirst with water.
  
  Forms of Water
• Water on this earth is in different forms, such as liquid (sea, pond), solid (snow or glaciers) and gas (water vapour).
• Water creates life on the earth.
• When water gets uncontrolled, it turns into a flood, creating misfortunate in our lives.