Which energy source will be the best? Open Inquiry, all 5E’s
| Recommended Activities | Inquiry Type | E-emphasis | estimated duration |
| 1 Designing a wind power plant | Bounded Inquiry | 8h | |
| 2 The power of a wind power plant | Guided Inquiry | 2h | |
| 3 Designing a hydroelectric power plant | Bounded Inquiry | 8h | |
| 4 Cooking with the heat of the sun | Guided Inquiry | 2h | |
| 5 Designing a solar collector | Bounded Inquiry | 8h | |
| 6 Building a dye-sensitized solar cell | Guided Inquiry | 5h (distributed to 2 days) | |
| 7 The power of a photovoltaic module | Guided Inquiry | 2h | |
| 8 The power of a solar cell garden pump | Bounded Inquiry | 4h | |
| 9 My iPod works with energy from bull shit! | Guided Inquiry | several days | |
| 10 The efficiency of a hybrid power plant | Guided Inquiry | 2h | |
| 11 Designing a hydrogen car | Bounded Inquiry | 2h | |
| 12 Designing an island system | Bounded Inquiry | 2 days |