take a sheet of paper. draw a spiral on it cut out the paper along the line. suspend the paper above a lighted candle. observe what happens. think of an explanation.
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As you suspend the spiral paper above the candle.
The air around the lighted candle heats up.
Since hot air is lighter than cold air, the air that surrounds the candle rises and pushes on your spiral, causing it to spin.
The movement of hot air upwards causes the movement in spiral paper.
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Answer:
as you will suspend the spiral:
When the spiral paper is suspended at flame, then the paper spiral will keep moving because due to convection process, there will be transfer of heat and the air present above the flame will move up which results in movement of paper spiral.
big explanation in short.hope it will help you in your answer
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