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There could be hundreds of way to make a sundial from the scrap. All those methods may require some tools or materials to collect which could not be handy for everyone. What about making a sundial form a object that is available in most of houses.Lets make thing simplified, making a sundial just form a flower pot.
Making a sundial from a flower tub is a fun for the kids and educational in a way top learn the earth circular rotation around the sun. They could easily made this sundial from simple astrological experiment in the meanwhile inventing most ancient piece of time telling device.
Things to do before you start
Find out a flower pot in your home garden. Wash this by taking away any plant or soil inside it. If it is a hassle for you, buy a new one from the market. Manage a straight long dowel or pen that will work like a gnomon up above the pot. You also need a marker pen, white paper and tap.
Steps
1. Go out side ; find a sunny spot in your garden or yard. Place the white paper on the ground and put the pot on the paper upside down.
2. Make a hole at the center bottom of flower pot and stick the dowel or straight pen inside it. Make the dowel permanent by gluing it though the hole. This will make the dowel permanent on the tub and remember it need to stand as straight as possible.
3. Now check you wrist watch and exactly each hour notice the shadow of dowel casted on white paper. Use a marker pen to draw a line corresponding to each shadow in every hours of a day.
4. If you start this process in the morning near the evening you will end up with around 8 to 10 line drawn on the paper indicating hours of the day; e.g. 9 hrs, 10 hrs, 11 hrs etc.
When you finish it, you will see the lines you draw on the paper follows a clockwise direction. This is because if you live in the northern hemisphere, any shadow casted by sun will move clockwise. Shadow will also change it places as the earth is not stable relative to sun; it is spinning on its axis continually.
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Hi, everyone. Welcome to the sundial blog. Although, I know about clock!, I didnot aware of an important invention of mankind: sundial. So, I decide to create this blog to distribute knowledge about sundial to the internet users all accross the world.
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