Do It Yourself Weather Vane – SICK Science! #074

Early weathermen and women didn't use Doppler radar or computers to forecast the weather, they relied on tools that were much more simple. Take, for instance, the weather vane. You have probably seen weather vanes atop barns, houses, or mailboxes and they are used to show wind direction. Even though weather vanes are usually made of welded metal, you can make an equally functional weather vane using supplies in your own home!

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from Steve Spangler Science