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Some of very Easy Science Experiment Projects For School Going Kids

Childrens Science Experiment Project With Candle and Water

If you do the process quite cleverly then the candle wil burn out for a while and water will rise in the jar which will be 1/5th of the original height ,thus expressing that candle has used most of the oxygen in the air and so because of the need of oxygen it dies.But this hypothesis is not true.

Candle Science Magic Trick :

If we can think of another conclusion, then the gas in the jar will be heated by the burning candle and due to this, there is a good chance of alteration in the volume. If we want to discover the changes in the composition of the gas, you need to test the gas from a sealed jar. We need to check whether the volume changes are not just due to the expansion caused by heat.

If you use a large jar and a tiny candle inside, then once the candle is enlightened,the jar need to be placed over it as fast as possible and the lid is screwed tightly.When the candle goes off ,the jar must be allowed to cool down for some time till it has reached a room temperature.

Then it can be descended to a huge bucket of water and cap is slowly loosened till the gas escapes and water enters the jar. Childrens science experiment with candle and water will help in identifying the minimal changes in the volume,thus we can conclude that the burning candle uses gas as well as produces gas.

Use a jar where you need to fix a candle at the bottom most line and use only long candle. Now after enlightening the candle seal the jar. Before that, keep the mouse inside the jar. The surprise is that the mouse will not die and it will remain in the jar without having any effect on its body. We can ultimately decide that the carbon dioxide should be at the top of the jar, while the mouse resides at the bottom of the jar where there is enough oxygen and the mouse is low enough to reach out the carbon dioxide. This makes a conflict which is well proved by Dawson in the year 1992.

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