Example of critical, distinguishing observations of the clock
| Question-answer | What | How | Why |
|---|---|---|---|
| Phenomenon | |||
| 1 Tick/s | Loud for 100 ms then silent for 900 ms | Whatever that thingamajig is called | Timekeeping. Duh. |
| Gears exist | Notches on circles | More notches = slower rotation | Translate faster rotation / slower rotation |
| 1 Rotation/h | Periodicity | 120 notches on hour ring, 2 on second ring | Because an hour is a useful division of the day |