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Air and water- E.V.S (Environmental Science)

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chandni athi

This document discusses air and water as natural resources. It describes air as invisible but always surrounding us, and that humans, animals and plants need air to breathe. It then discusses different types of winds like breezes, gales, and storms. It also covers the properties and forms of water, including solid, liquid, and gas, and discusses fresh water versus salt water. It summarizes the key uses of both air and water.

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AIR AND WATER BY CHANDNI ATHI
Air •Air Is A 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 Breathe. •When Air Moves It Is Called As Wind. We Feel Air Only When It Moves
BREEZE : A GENTLE WIND •Gentle Slow Moving Air Is Called As Breeze. •We Feel Very Pleasant With The Breezing Air.
GALE : STRONG WIND •Wind Blowing Fast And Slightly Strong Is Called As Gale •It Can Move The Leaves And Branches Of Trees
STROM : VERY STRONG WIND Very Strong Wind With Rain Or Snow , Is Called As Storm
HURRICANE : VERY SEVERE STORM
EFFECTS OF STROM Uprooted Trees Flooded Land Washed Away Farms Destroyed Houses
USE OF WIND •Wind Helps To Move The Sail Boat . •Wind Moves The Fan Of The Wind Mill
On windy day kids can fly kites. Wet clothes dry fast in windy air.
PROPERTIES OF AIR Invisible Occupies Space, Has Weight
WATER
WATER •Water Is One Of The Natural Recourses. •Humans, Animals And Plants Need Water To Drink And Live. •Water Has No Fixed Place . •Water Covers 71 % Of Earth’s Surface .
FORMS OF WATER – SOLID •Ice Is The Solid Form Of Water . •When Water Temperature Is Very Low It Freezes And Ice Is Formed.
FORMS OF WATER – LIQUID Liquid Form Of Water Is Water
FORM OF WATER – GAS Steam Or Water Vapor Is The Gas Form Of Water . Water Is Converted Into Steam When Heated. Clouds Are Formed By Water Vapor.
SALT WATER Salt Water Contains High Amount Of Salt . It Covers Major Part Of Earth. Ex Sea , Lagoons
FRESH WATER It Can Be Used For Drinking. It Covers A Very Small Part Of The Earth (Less Than 2 % ) Ex- Lake And Rivers
SOURCES OF FRESH WATER Pond Ground Water Springs Glacier
FRESH WATER AT HOME Hand Pump Well Water Tap
USES OF WATER For Drinking For Agriculture In Industries Transportation
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 .
USES OF WATER Drinking, Bathing, Watering Plants, Cooking, etc
PROPERTIES OF WATER Colourless, Odourless, Has No Shape
THE END

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Air and water- E.V.S (Environmental Science)

  • 1. AIR AND WATER BY CHANDNI ATHI
  • 2. Air •Air Is A 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 Breathe. •When Air Moves It Is Called As Wind. We Feel Air Only When It Moves
  • 3. BREEZE : A GENTLE WIND •Gentle Slow Moving Air Is Called As Breeze. •We Feel Very Pleasant With The Breezing Air.
  • 4. GALE : STRONG WIND •Wind Blowing Fast And Slightly Strong Is Called As Gale •It Can Move The Leaves And Branches Of Trees
  • 5. STROM : VERY STRONG WIND Very Strong Wind With Rain Or Snow , Is Called As Storm
  • 6. HURRICANE : VERY SEVERE STORM
  • 7. EFFECTS OF STROM Uprooted Trees Flooded Land Washed Away Farms Destroyed Houses
  • 8. USE OF WIND •Wind Helps To Move The Sail Boat . •Wind Moves The Fan Of The Wind Mill
  • 9. On windy day kids can fly kites. Wet clothes dry fast in windy air.
  • 10. PROPERTIES OF AIR Invisible Occupies Space, Has Weight
  • 11. WATER
  • 12. WATER •Water Is One Of The Natural Recourses. •Humans, Animals And Plants Need Water To Drink And Live. •Water Has No Fixed Place . •Water Covers 71 % Of Earth’s Surface .
  • 13. FORMS OF WATER – SOLID •Ice Is The Solid Form Of Water . •When Water Temperature Is Very Low It Freezes And Ice Is Formed.
  • 14. FORMS OF WATER – LIQUID Liquid Form Of Water Is Water
  • 15. FORM OF WATER – GAS Steam Or Water Vapor Is The Gas Form Of Water . Water Is Converted Into Steam When Heated. Clouds Are Formed By Water Vapor.
  • 16. SALT WATER Salt Water Contains High Amount Of Salt . It Covers Major Part Of Earth. Ex Sea , Lagoons
  • 17. FRESH WATER It Can Be Used For Drinking. It Covers A Very Small Part Of The Earth (Less Than 2 % ) Ex- Lake And Rivers
  • 18. SOURCES OF FRESH WATER Pond Ground Water Springs Glacier
  • 19. FRESH WATER AT HOME Hand Pump Well Water Tap
  • 20. USES OF WATER For Drinking For Agriculture In Industries Transportation
  • 21. 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 .
  • 22. USES OF WATER Drinking, Bathing, Watering Plants, Cooking, etc
  • 23. PROPERTIES OF WATER Colourless, Odourless, Has No Shape