... and for all except the experiment where I will very the start temperature I am going to keep the start temperature constant at 100º. I will then use a thermometer to measure the temperature every 10 or 5 minutes depending on the experiment, I shall record the results then put them on a graph and compare them with the control experiment. The room temperature is 20ºC on the computer experiments, but in the classroom it is slightly higher so this will have to be taken into account when we record our results. When I very the start temperature I am going to start at 0ºC and go up by 10 each time to 100ºC. This is a diagram of what the control experiment looks like: To make the test fair I will be careful to only change one variable at a time. This is so that any changes that do occur ...

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