| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Not just the ocean but the solid Earth itself experiences these twice a day, with a maximum amplitude of about 12 inches | tides | $1,200 | DJ | PHYSICAL SCIENCE | 2022-01-03 | #8546 | |
| These variations in the level of the oceans have the most variation at the new moon | tides | $200 | J | SCIENCE | 2018-06-13 | #7783 | |
| In parts of the Caribbean, these are on a diurnal cycle: one high, one low a day, that's it | tides | $1,200 | DJ | SCIENCE | 2010-05-07 | #5915 |