Across
- 2. – Using less energy or waste
- 4. – Resources that can replenish naturally
- 6. – Metal used in electrical wiring
- 8. – Devices made using natural resources
- 11. energy – Energy created by wind turbines
- 12. – Resources that take millions of years to form
- 14. – Natural home of plants and animals
- 15. change – Long-term changes in Earth’s climate
- 17. – Cutting down too many trees
- 20. – Energy from moving water
- 24. – Protection of natural resources
- 26. energy – Energy from the sun
- 29. – Another name for oil
- 30. – Strong metal used in construction
Down
- 1. – Turning waste into reusable material
- 3. – Form of energy used to power devices
- 5. resources – Materials from Earth used by humans
- 7. – Contamination of air, water, or land
- 9. – Water safe for drinking
- 10. – Supplies used to meet needs
- 13. – Growing crops and raising animals
- 16. – Substances mined from the Earth
- 18. – Machines turned by wind or water
- 19. fuels – Energy sources from ancient plants and animals
- 21. – Surroundings where living things exist
- 22. – Man-made materials from natural resources
- 23. – Valuable mineral used in electronics and jewelry
- 25. – Metal that can be recycled
- 27. – Exchange of resources between countries
- 28. – Frozen freshwater storage on Earth
