| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Temperatures in this part of the Earth rival the surface of the Sun, but pressure there is so great the metals don't melt | the core | $800 | DJ | EARTH SCIENCE | 2025-02-18 | #9272 | |
| This central part of the Earth is larger than the planet Mars | Core | $200 | DJ | EARTH SCIENCE | 1997-03-18 | #2897 | |
| Two regions, one liquid, one solid, are thought to make up this innermost part of the Earth | the core | $200 | DJ | EARTH SCIENCE | 1991-10-15 | #1637 |