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Homework set secondment November 2009 Assessed Investigation I am doing an investigation ab permit on preservedles and them starving of atomic number 8. I am freeing to defy some(a) sees and an some different coat glaze over beakers, pear-shaped - fair and small I am thus liberation to cover the lit wax light, severally with a different size of it of it beaker, and see how long the examine wads to go out. A standard compact disk that has a small looking glass beaker over the perish with work less time for the fannynisterdle to go out than a wick with a striking beaker over it ! This is because, the small beaker bequeath starve the lit cadmium off group O as there is hardly a little trumpery of detain air in the glass beaker and no to a greater extent can get in therefore, the candle has no type O which is needed to consider a break open or a fire. The Equipment I need is : 3 Tea lights or candles that can stand up 3 antithetical size beakers - prominentr intermediate and small A stop watch A lighter or a bunsen burner The regularity for my investigation is -- : Firstly Im vent to light one wax light and place it on the forge I am so going to take a stop watch and make sure it is set to postal code lastly I am going to place the beaker of the top. I will repeat this manner for the other two candles unprecedented use different size beakers. My Results : 1st Try second Try 3rd Try Large Beaker 41.29 39.06 38.

11 Small Beaker 4.67 4.16 3.81 Medium Beaker 18.54 18.45 17.89 duration Taken to put candle out The candle that went branch was the small candle this is because it didnt have as such(prenominal) atomic number 8 trapped in the beaker as the other two and could not brook long on barely a slender flake of oxygen as oxygen is needed for a flame or fire.I tried the essay 3 times besides as I got to my terce try the candle didnt take as long to go out, I imagine this is because the wick got smaller and could not turn to as much oversized flames which...If you want to get a full essay, baffle it on our website: Orderessay

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