| 1 | Seasons and Angle of Insolation |
| 2 | A Local Weather Study |
| 3 | Investigating Dissolved Oxygen |
| 4 | Water Quality |
| 5 | Long Term Water Monitoring |
| 6 | Water Treatment |
| 7 | Investigating Salinity |
| 8 | Soil Temperature |
| 9 | Soil Salinity |
| 10 | Soil pH |
| 11 | Soil Moisture |
| 12 | Soil and Acid Rain |
| 13 | Managing Garden Soil Moisture |
| 14 | Cell Respiration (CO2) |
| 15 | Biodiversity in Ecosystems |
| 16 | Biochemical Oxygen Demand |
| 17 | Water Cycle Column Investigations |
| 18 | Decomposition Column Investigations |
| 19 | Ecocolumn Investigations |
| 20 | Global Warming |
| 21 | UV Investigations |
| 22 | Comparing Sunscreens |
| 23 | Primary Productivity |
| 24 | Modeling Population Growth |
| 25 | Insulation Study |
| 26 | Fossil Fuels |
| 27 | Energy Conversion |
| 28 | Wind Power |
| 29 | Photovoltaic Cells |
| 30 | Investigation of Passive Solar Heating |
| 31 | The Effect of Acid Deposition on Aquatic Ecosystems |
| 32 | Measuring Particulates |
| 33 | Investigating Indoor Carbon Dioxide Concentrations |
| 34 | A Pollution Study |