Across
- 1. Device turned by water or steam to produce electricity
- 3. mgΔh (the answer is an acronym)
- 5. Energy stored in hot underground rocks
- 7. SI unit of energy or work done
- 8. SI unit of power
- 9. Useful energy output/Total energy input
Down
- 2. A form of energy that is replenished naturally once used
- 4. Energy of a moving object
- 6. Work done/Time taken