Across
- 7. A man-made material made through chemical processes
- 9. Using resources in a way that protects them for the future
- 11. A woven fabric or material used to make clothes and other items
- 13. Growing plants without soil using nutrient-rich water
- 17. The science of managing forests for timber and conservation
- 18. A liquid byproduct from cheese-making used for animal feed or protein
- 20. A substance that changes in a chemical reaction
Down
- 1. The way something is built or arranged
- 2. A leftover material from making something else, often reused
- 3. Harmful substances released into air, water, or land
- 4. A farming method that grows crops in stacked layers indoors
- 5. Chemicals used to protect crops from insects and weeds
- 6. Renewable energy made from plants or animal waste
- 8. Decomposed organic matter used to enrich soil
- 10. A harmful gas from the ground that can enter homes and cause cancer
- 12. Fairness by giving people the specific help they need to succeed
- 14. A system used to water crops when rainfall is not enough
- 15. Farming fish or aquatic life in controlled environments
- 16. Planting different crops in the same field over time to protect soil
- 19. The purpose something serves or what it does