We wanted to look at lung capacity - we wondered if taller people have bigger lung capacity.
We decided that we could find this out by measuring or chest size before breathing in, and then after we had filled our lungs as much as possible!
Most of us predicted that the taller members of the class would have the biggest lung capacity; however, our results indicated that height does not have an affect on lung capacity.
We wondered what else might affect it - did the people with the biggest lung capacity play sport more often?
Can you suggest any reasons?