Air and Water Moving Air, Wind, Types if Wind, Forms of Water, Freshwater and Salt Water Uses of Water Solubility of Water

1. EVS :Air and Water
Class - II

2. Air

3. Air
Air is one of the natural resource from the environment.
No one can see or touch air but it is always around us.
Humans, Animals and Plants need Air to breath.
When Air moves it is called as Wind. We feel air only
when it moves.
Wind is classified based on it’s speeds. Sometimes it can
be gentle or strong also.
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4. Breeze: A gentle Wind
Gently or slowly moving air is called as Breeze.
We feel very pleasant with the breezing air.
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5. Gale: Strong Wind
Wind blowing fast and slightly strong is called as Gale.
It can move the leaves and branches of tress.
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6. Storm: Very Strong Wind
Very strong wind with rain or snow, is called as Storm.
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7. Hurricane: Very severe Storm
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8. Effects of Storm
Uprooted Tree
Washed away farms
Flooded Land
Destroyed Houses
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9. Use of Wind
Wind helps to move the sail boat.
Wind moves the fan of the windmill
Sail Boat
Windmill
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10. On windy day kids can fly Kites.
Wet clothes dry fast in windy air
Flying kite
Drying clothes
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11. Water

12. Forms of
water
Cleaning
Of water
Fresh
water
Water
Things
mix or
doesn’t
mix
Salt
water
Uses of
water
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13. Water
Water is one of the natural resource.
Humans, Animals and plants need water to drink and
live.
Water has no fixed shape.
Water covers 71% of the Earth’s surface.
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14. Form of Water – Solid
Ice is the solid form of water.
When water temperature is very low then it freezes and Ice is
formed.
Ice
Frozen seawater
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15. Form of Water - Liquid
Liquid form of water is Water.
Water
Water
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16. Form of water - Gas
Steam or Water vapor is the gas form of water.
Water is converted into steam when heated.
Cloud are formed by water vapor.
Water Vapor or Steam
Clouds
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17. Saltwater
Saltwater contains high amount of salt.
It covers major part of Earth.
Sea / Ocean
Lagoon
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18. Fresh water
Fresh water has low concentration of dissolved salts.
It can be used for drinking.
It covers a very small part of earth. (less than 2%)
Lake
River
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19. Sources of Fresh Water
Pond
Ground water
Glacier
Spring
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20. Fresh water at Home
Hand pump
Well
Water Tap
Water Can
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21. Uses of Water
For Drinking
In Industries
For Agriculture
Transportation
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22. Uses of Water at Home
Cooking
Cleaning
Bathing
Toilets
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23. More uses of Water at Home
Watering Plants
Washing Clothes
Car wash
Washing Vegetables
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24. Water: Fun Activities
Swimming
Water Parks
Rafting
Boat Racing
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25. Water Attributes
Water is a universal solvent because many things can be mixed in water
Things which doesn’t dissolve in water are Oil, Stones, etc.
Things
Mix In
Water
Sugar
Salt
Color
Lemon
Sand
Wax
Oil
Stones
Things
Does not
mix in
water
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26. Clean water and Dirty water
The water that is used to drink should be clean.
Dirty water has germs that can make us fall sick.
Dirty water
Clean water
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27. Water Purification at Home
Boiling kills all types of germs.
Water filters removed various types of impurities from water.
Boiling
Water filter
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28. Water Storage at Home
After boiling or filtering, store the clean water in closed and clean
containers.
Prevent it from getting dirty.
Water storage
Water storage
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29. Glossary:
Dissolve - To Mix
Germs - Small living things that can make us sick
Purify - To Clean
Solvent
Thank You !!!
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