Turn your phone sideways for a bigger view, or tap “Zoom stage ⤢”
The 10 mL example is the worked example from the lab slides; the 0.2 mL data are the class measurements of 2026-09-29 (student IDs anonymized as S01–S15). Equipment is drawn schematically; real appearance varies by brand.
Teaching notes & sources
Each act follows predict → observe → explain → compare → apply: act 1 only records your prediction (no answer yet); the middle acts ask their question after the animation, and a correct answer unlocks the next act; the last act has two questions in turn. The stage, captions and progress bar share one paused timeline, so nothing animates on its own; leaving the page or switching tabs pauses it.
Volume V = m_app × F_b / ρ_w; the class data use 32 °C, ρ_w = 0.99503, F_b = 1.0011, n = 10, t = 2.262.
This version uses synchronized text captions and has no narration; the pre-lab video and this page share the same storyboard and drawing components.
W1 slides · Data Detective · Calibration Room Escape · Statistics site Ch02 Confidence intervals