Across
- 4. A black, solid fossil fuel burned for electricity
- 6. Wind turbines and solar panels are this type of technology
- 8. One major disadvantage of nuclear energy is this dangerous waste
- 10. Energy from flowing water
- 13. Oil spills can harm this ecosystem
- 14. A disadvantage of solar power is that it does not work at this time
- 17. Nuclear power plants use this element as fuel
- 18. Energy from the sun
- 19. Hydropower requires building these on rivers
- 20. Non-renewable resources take millions of years to do this
Down
- 1. Energy from organic material like wood and crops
- 2. Geothermal energy is common in areas with these formations
- 3. The largest consumer of fossil fuels
- 5. A disadvantage of non-renewable energy is this harmful effect
- 7. Found underground and used for cooking and heating
- 9. One advantage of renewable energy is it does not produce this harmful gas
- 11. Energy from Earth's heat
- 12. Fossil fuel used to power most cars
- 15. Energy from moving air
- 16. The process used in nuclear power plants to generate energy