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Explain why experiments are widely used and widely respected in the natural sciences. (8 marks) Experiments are particularly important in natural sciences as they are the device used
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Page 173 AQA-style questions a) Explain why experiments are widely used and widely respected in the natural sciences. (8 marks) Experiments are particularly important in natural sciences as they are the device used to either prove or disprove a hypothesis. Sciences such as chemistry or physiology operate in what is known as closed systems, where all the variables can be controlled. This means therefore that such experiments can be carried out, and effectively. Whereas it may be difficult in physical sciences to control the variables, and in sociology to recreate everyday life, natural sciences do not face the same overriding problems. What they are investigating is predictable and all that makes up the experiment can be controlled and changed in order to assess how true their hypothesis is. They do not have to worry about the results not being reliable as the situations do not change, nor do the subjects under study;...
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