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It is essential to learn the relevant practical skills in order to carry out experiments.
Part of Combined SciencePractical skills
The accuracy of a measurement is dependent on the quality of the measuring apparatus and the skill of the scientist involved.
For data to be considered reliable, repeats must be carried out.
Repeating a scientific investigation makes it more reliable.
Accuracy can be improved by using a balance to measure the mass of food.
Reliability can be improved by completing the experiment for each food more than once and calculating an average temperature increase.