Observations: you notice that a group of students went on a hiking trip to Cockscomb basin.  They are asked to climb a hill, by th time they reach the top of the hill some of them are almost out of breath, while others don’t even make it to the top of the hill.  Only a few seem not to be affected much by the climb.   Plan and design an experiment in which you offer a possible explanation for the differences in breathing rate.   Hypothesis:

Aim:

Variables identified: Independent Variable

Dependent variable

Controlled Variables

Procedures: (present continuous tense)

Expected Results/Interpretation: If…..Then….

Limitations/assumptions/precautio ns/possible sources of errors.