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Materials Required
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* A Candle
* A hollow funnel made of card sheet,
* Matches to lit the candle.
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Method
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- Light the candle and try to blow the candle with the middle portion of the hollow card sheet funnel in line with the candle flame.
- Then try to blow the candle with the funnel facing upward and then downwards to the candle flame.
- Lastly try blowing the candle with the circumference of the funnel in line with the candle flame.
- Make your observations in each case.
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What is Learnt
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The candle is blown when the circumference faces the candle flame because there is air movement in the circumference of the funnel only.
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Conclusion
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The candle gets blown when the candle flame is in line with the circumference of the funnel only and not at other times.
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Flash Cards