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53.2223.Q3.SC.CompSci2AccHon.20...
Question 2-2
A student wants to conduct a science fair project about the effects of different types of fertilizers on plant growth. His tencher
should use repeated trials in his experiment. Why should the student uge repettion in No axperiment?
to practice the procedure for conducting scientis
O
to allow his classmates to conduct the same experin
• to provide him with results from a group with which to com
O to ensure that his experimental results are accurati
les him Mar he
Answer
The student should use repeated trials in his experiment to ensure that his experimental results are accurate.