Across
- 2. free renewable resource but would need a lot of turbines
- 3. where animals live
- 5. something that is negative towards a new idea
- 7. can be used as an energy source that may otherwise be thrown away
- 8. resource from within earth that is free and will never run out
- 9. never runs out
- 11. cannot be easily replaced or promised forever
Down
- 1. something that is a positive towards a new idea
- 4. water must be flowing, but dams could damage the ecosystem
- 6. uses wind/solar power (uses less energy)
- 10. energy made from the sun and solar panels