Questions for scientific method
circumference volume
trial #1 65.4 cm
trial #2 65.3 cm
trial #3 65.5 cm
average
volume vs. trial number
volume, cubic cm
trial number
1 2 3 4 5
0
1. look at the volume values. are the volume values larger or smaller than you expected?
explain your answer.
scientific method
table 1
4
apex learning: biology labs
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2. are the volume values similar to each other, or are they quite different? explain why you
see what you see. if they are similar, explain why. if they are different, also explain why.
3. does the volume increase with trial number, decrease with trial number, or stay about
the same? explain why you think the results are the way there are. there are many
possible reasons for the data trend you see. give some that you think are reasonable.
4. this method of measuring the volume of your lungs is probably not completely
accurate. what changes would you make if you did this type of experiment to make it
more accurate?
5. how would you modify the hypothesis and repeat the experiment for improved or more
complete results?