A tuning fork is struck and dipped into a bowl of water. The fork buzzes lower and the surface of the water trembles in tiny ripples.
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Per-prompt rubric
Basic standards
Visual presence
- a tuning fork
- a bowl of water
Event: a tuning fork is struck and dipped into water
Audio presence
- a tuning fork
Sound: tuning fork buzz
Key standards
Visual physical commonsense (V-PC)
- A two-pronged U-shaped tuning fork is struck and then dipped into a bowl of water.
- Tiny ripples appear on the water surface as the fork enters.
Audio physical commonsense (A-PC)
- The tuning-fork buzz is audible as a clear pure tone in air.
- The buzz becomes noticeably lower and more muffled once the fork is dipped into water.
Cross-modal physical commonsense (AV-PC)
- The shift in buzz character coincides temporally with the fork entering the water.