Across
- 5. Built in estuary (10)
- 6. used to turn electrical generators (9)
- 9. A black rock (4)
- 10. hot rocks under ground (15)
Down
- 1. goes on your roof (10)
- 2. Uranium energy (7)
- 3. it needs wind (11)
- 4. Alos to power cars and propane (11)
- 7. holds back water (3)
- 8. decaying animal and plant waste (7)