| Students | Gabrielle Lamy
Holly Hamilton |
| School | IND - Hillfield Strathallan College - Hamilton |
| Level | Intermediate 9/10 - Grade 9 |
| Group | Group 1 - Earth and Environmental |
| Abstract | The purpose of our experiment was to determine which of four different sources had a higher concentration of carbon dioxide. Either pure carbon dioxide, human exhalation, car exhaust, or ambient air. |