Sustainable and Infinite Resources Crossword

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Across
  1. 8. Energy created from ocean tides
  2. 9. Energy produced by movement of ocean surface water
  3. 11. Protecting and managing natural resources carefully
  4. 14. A community of living things interacting with their environment
  5. 15. Organic material from plants and animals used as energy
  6. 16. Electricity generated using moving water
  7. 20. Moving air used to produce renewable energy
  8. 21. Upper layer of earth where plants grow and nutrients are found
  9. 23. Using resources in a way that preserves them for the future
  10. 24. Energy produced from heat inside the Earth
  11. 25. Reusing materials instead of throwing them away
Down
  1. 1. Variety of living organisms in an area
  2. 2. Naturally occurring solid substances found in the Earth
  3. 3. Materials or substances that occur naturally in the environment
  4. 4. Natural world around us, including air, water, and land
  5. 5. Fossil fuel used for heating and electricity
  6. 6. Amount of greenhouse gases produced by human activities
  7. 7. Energy that comes from the sun and can be used to generate solar power
  8. 10. Mixture of gases that living things need to survive
  9. 12. A fossil fuel formed from ancient plant remains
  10. 13. Large area covered chiefly with trees and wildlife
  11. 17. Resources that can be naturally replaced over time
  12. 18. Liquid fossil fuel used for energy and transportation
  13. 19. Non-renewable energy sources like coal, oil, and gas
  14. 22. A natural resource essential for all living things and part of the water cycle