| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Rocket pioneer Robert Goddard discovered the best liquid fuel was a combination of gasoline and this, aka LOx | liquid oxygen | $1,200 | DJ | MEN OF SCIENCE | 2010-02-16 | #5857 | |
| Used in rocket propulsion, LOX stands for this | liquid oxygen | $300 | J | SCIENCE | 1993-04-08 | #1989 |