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Measuring lung volume Lab 

  • What is the independent variable of the activity? What is the dependent variable of the activity?
  • What variables were controlled during the activity?
  • Using the data, calculate the average volume of air normally inhaled in 1 minute by a student in your class. Show all your work including units.*(Shown on next page)
  • What factors might account for differences between your measurement and those of other members of the class?
  • Name two possible sources of error in this experiment. Explain fully.
  • How would you improve the design of the experiment if you were asked to repeat it?
  • Why is it important to have 3 trials for each measurement?

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