Renewable Energy

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Across
  1. 2. Organic material used as fuel
  2. 6. Renewable energy source harnessed from ocean tides
  3. 9. A benefit: reduces dependence on fossil fuels
  4. 11. Type of energy that can be replenished naturally over short periods
  5. 14. Electricity produced by moving water
  6. 16. A challenge: energy storage for use during non-productive periods
  7. 17. Renewable energy source that utilizes Earth's underground reservoirs
  8. 18. A drawback of solar and wind energy: depends on weather conditions
  9. 19. A benefit of renewable energy: emits no greenhouse gases during operation
  10. 20. Power generated by wind turbines
Down
  1. 1. The process of converting sunlight directly into electricity
  2. 3. A renewable resource that requires large land areas for deployment
  3. 4. Energy obtained from plant and animal waste
  4. 5. A disadvantage: can impact aquatic ecosystems
  5. 7. Renewable energy source that uses wind to generate electricity
  6. 8. A benefit: abundant and sustainable energy supply
  7. 10. Energy derived from Earth's internal heat
  8. 12. Energy captured from the natural flow of rivers
  9. 13. Energy harnessed from the sun's radiation
  10. 15. A disadvantage: high initial installation costs