| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Sial, the upper layer of the Earth's crust, primarily consists of these 2 elements | silicon & aluminum | $800 | DJ | ROCKS & MINERALS | 2016-04-01 | #7270 | |
| As its name indicates, the sial that composes much of Earth's crust contains these two elements | silicon & aluminum | $400 | DJ | ROCKS & MINERALS | 1990-12-05 | #1443 |