| Problems presented | Grade | Role |
|---|---|---|
| 1. Popsicle stick cobra | 7.40 | reviewer |
| 15. Electric fountain | 8.40 | opponent |
| 5. Cracks on the glass | 9.80 | reporter |
| 16. Magnetic cannon | 9.00 | reporter |
| 13. Cross-talking metronomes | 7.00 | reporter |
| 4. Ferromagnetic sea | 7.80 | reviewer |
| 16. Magnetic cannon | 7.86 | reporter |
| 7. Greenhouse effect | 7.60 | opponent |