

![]() | Project title | Do singers have a larger lung capacity than non-singers?![]() ![]() |
| Difficulty Level | Middle school | |
| Project page |  Click here to view this science project | |
Description | ||
| This experiment was done to find out if the members of a choir group have a bigger lung capacity than non-singers of the same age group. | ||
Instructions preview | ||
| *For this experiment, the independent variable is the type of singer (whether or not the singer is a member of the school choir.) The dependent variable is the singer's lung capacity, which is measured by the size of the balloon blown. This is determined by measuring the size of the balloon using a ruler / measuring tape. The constants (control variables) are the age of the students, the type/brand of balloon used for the experiment and the room temperature and weather conditions. *The 1st student is asked to take a deep breath and hold his breadth. *Then a nose ..... | ||