... the potatoes when placed in salt solutions placed in different moralities. -I will be measuring the length change of the potatoes. I will record the length changes using a ruler. -Fixed Variables. The things that I have chosen to keep the same in each individual experiment to keep it a fair test is to keep the same sizes of each potato tissue the same by using a ruler. I will also keep the same amount of solution placed in the Petri-dishes for each experiment. I will measure this with a measuring cylinder. I will also carry out this experiment at room temperature because if I do not it could affect the end results. Additionally I will also use the same potato throughout the experiment, as using a different one may produce anomalous results as some potatoes may have a higher turgidity than others. Hypothesis: I have chosen to investigate the effect of ...

See this essay or coursework document in full right now