| Problem(s) presented | Grade | Role |
|---|---|---|
| 4. Origami launcher | 7.20 | opponent |
| 12. Particle detectors for dummies | 7.60 | opponent |
| 4. Origami launcher | 8.80 | reporter |
| 9. Screaming balloon | 7.20 | opponent |
| 3. Ink tree | 7.40 | opponent |
| 11. Chalk on the water | 7.40 | reporter |
| 1. Sound thermometer | 8.40 | opponent |