Across
- 3. the main disadvantage of using hydropower
- 6. means to use less of a resource
- 7. the act of preserving or maintaining the resources on the planet
- 9. a type of energy source that uses the sun for electricity
- 12. the type of animals that are potentially harmed when using wind energy
- 13. are built to help generate electricity from the sun
- 14. a type of energy that can be replenished
- 18. a type of energy that uses Uranium to generate electricity
- 19. a fossil fuel that comes from ancient plants
- 20. a type of resource that uses the wind for electricity
Down
- 1. the main disadvantage of burning fossil fuels
- 2. means to use a resource again
- 4. a type of energy that cannot be replaced faster than it is used
- 5. a type of energy that uses earth's heat
- 8. these are built help generate electricity from wind
- 10. a type of renewable energy source that requires flowing water to generate electricity
- 11. a nonrenewable resource that comes from prehistoric plants & animals
- 15. a type of renewable energy that uses burnt organic matter to retrieve a fuel for energy
- 16. means to repurpose waste back into a reusable material
- 17. these are built to help generate power from water