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AIR AND WIND

  •  English    25     Public
    all questions are mandatory
  •   Study   Slideshow
  • Which Instrument is used to check direction of wind?
    Wind vane
  •  15
  • Which instrument is used to measure speed of wind?
    Anemometer
  •  15
  • Gentle wind is ____________
    breeze
  •  15
  • What do we call strong wind accompanied by thunder, rain and lightening?
    Storm
  •  20
  • Very strong wind is called as______________
    Gale
  •  20
  • Wind mills are used for ______________
    To generate electricity/ to grind grains/ to draw water from ground
  •  20
  • How does the wind vane work?
    Its fixed on top of building, it moves in direction of wind.
  •  20
  • Wind is both useful and harmful to us
    True or False
  •  10
  • What is wind?
    Moving air is called as wind
  •  10