.   bethan carries out an experiment with a burning candle. bethan

.   Bethan carries out an experiment with a burning candle. Bethan places a burning candle under a beaker and times how long it takes to go out.  She then repeats the experiment with different amounts of oxygen.

Her results are shown below:-

Amount of Oxygen  (cm3)

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.   bethan carries out an experiment with a burning candle. bethan
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Time taken for candle to go out (seconds)

10

15

30

45

60

90

100

150

150

225

200

300

 

(a)  draw a line graph of Bethan’s results. Marks will be awarded for labelled axis, a good scale, a  line of best fit and a title.  (5 marks)                                                                                    

 

(b) What is the independent variable in this experiment?

_________________________________________ (1 mark)

(c) What is the dependent variable in this experiment?

_________________________________________ (1 mark)

(d) Write a conclusion for the experiment. (1 mark)

_____________________________________________________________

_____________________________________________________________

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