... Weigh the alcohol again and recorded. 7. Replace water with cool water after the beaker has returned to room temperature 8. Repeat the stage for the same alcohol. 9. Repeat method for the other alcohols. How was it made a fair test? To make this a fair test I had to keep all the variables the same when using all alcohols The variables I needed to keep the same were: - ? Volume of water because if I didn't then it will take more energy to heat the larger volumes than it would the smaller volumes. I decided to use 200ml of water because I thought if I used any more it would take up a lot more energy from the alcohol and would have taken a long time for the experiment to be repeated. ? Same equipment set-up because if I didn't the alcohol could be closer to the flame or further away which would either give the water more or less energy. ? Stir ...

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