Wind, Storms and Cyclones -
• Make a wind vane, anemometer & a wind sock and understand: →How to calculate the speed of the wind. →How to know the direction of the wind http://www.butterflyfields.com/product/wind-stroms-and-cyclones/ |
|
Wind, Storms and Cyclones -
• Make a wind vane, anemometer & a wind sock and understand: →How to calculate the speed of the wind. →How to know the direction of the wind http://www.butterflyfields.com/product/wind-stroms-and-cyclones/ |
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