| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| A simple one of these consists of a small mass swinging at the end of a very light string | pendulum | $300 | J | SCIENCE | 1996-09-27 | #2775 | |
| A simple one of these consists of a small weight swinging to & fro on the end of a string | Pendulum | $200 | DJ | SCIENCE | 1990-04-02 | #1296 | |
| Galileo found the swinging of one of these was regular enough to keep time | pendulum | $200 | J | SCIENCE | 1988-12-06 | #982 |