| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Iceland is a leader in the generation of this type of renewable energy, from words meaning "earth" & "heat" | geothermal | $2,000 | DJ | SCIENCE CENTER | 2021-01-12 | #8312 | |
| Geysers & volcanos are sources of this type of energy that emanates from deep within the Earth | geothermal | $600 | DJ | GENERAL SCIENCE | 1993-12-07 | #2132 |