| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| The common name for iron oxide | Rust | $800 | DJ | SIMPLE SCIENCE | 2001-05-23 | #3863 | |
| It's the common name for hydrated oxide of iron | rust | $1,000 | DJ | SCIENCE | 1990-07-21 | #6 | |
| Just as silver rods tarnish, iron rods do this | rust | $100 | J | SCIENCE | 1987-09-22 | #697 | |
| According to Neil Young, this "hydrated ferric oxide" never sleeps | rust | $600 | DJ | SCIENCE | 1985-04-03 | #148 |