Across
- 4. used to generate mechanical force and heat.
- 5. a transport of energy by ocean surface.
- 6. another word for heat energy.
- 9. used to step a voltage up for more efficiency.
- 10. uses underground heat to produce electricity.
- 11. uses wind to generate electricity.
- 12. a network of high voltage power lines connecting major power stations.
- 13. some methods are good but..........
Down
- 1. used to lower a voltage to be used in households.
- 2. not all methods of creating electricity can be remade again and again.
- 3. the energy of motion.
- 7. energy that is recovered from vegetable oil and animal fat.
- 8. uses tides to generate energy.