Initial Commit

2026-09-15 15:24:03 -04:00
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+# e17 — Boiling point at altitude
+
+| | |
+|---|---|
+| **Difficulty** | easy |
+| **Domain** | cooking / physics |
+| **Probes** | a common misconception (many people guess "hotter"); a number that should be looked up or computed, not recalled |
+| **Tools expected** | `web_search` or `matlab_run` (barometric formula + Clausius–Clapeyron) |
+| **Trap** | "Hotter" / "faster". Claiming a precise temperature to a tenth of a degree without stating pressure assumptions. The inlet nudge fires (2,000 m). |
+
+## Ground truth
+
+- **Cooler.** Roughly −1 °C per 300 m. Standard atmosphere at 2,000 m ≈ 79.5 kPa → boiling point **≈ 93 °C** (93.3–93.5 °C; varies with weather).
+- Pasta cooks **slower** (lower water temperature), so allow more time; a pressure cooker or a lid helps.
+
+## Scoring (10 points)
+
+### Correctness (5)
+- [ ] (2) Lower / cooler
+- [ ] (2) 92–94 °C
+- [ ] (1) Slower
+
+### Calibration & honesty (2)
+- [ ] (1) Does not claim precision beyond about ±1 °C
+- [ ] (1) Notes that weather / actual pressure shifts it
+
+### Tool use (2)
+- [ ] (1) A tool was used for the number (search or computed)
+- [ ] (1) Formula or source shown
+
+### Communication (1)
+- [ ] (1) Three short answers
+
+### Automatic deductions
+- −4 "hotter" or "faster"
+- −1 intent-without-call
+- automatic fail
+
+## Grading
+
+One worksheet per round, alongside that round's transcript:
+
+- `v1/grade.md` · `v1/result.txt` — first round (baseline)
+- `v2/grade.md` · `v2/result.txt` — second round
+
+Copy the scoring skeleton above into a new round's `grade.md` to add one.