Across
- 4. The science and practice of farming.
- 7. The first tool used by farmers to break soil.
- 9. Cotton is grown mainly for this product.
- 10. A person who grows crops or raises animals.
- 13. Scientists use this branch of science to improve crops and livestock.
- 15. Ancient farmers in Egypt used this river to irrigate crops.
- 16. Farmers in the past used animals like horses and __________ to pull plows.
- 18. Most modern tractors run on this type of fuel.
- 19. Early humans practiced this to provide food before farming.
Down
- 1. Cows provide milk, which can be processed into this frozen treat.
- 2. Crops like wheat and corn provide this energy nutrient.
- 3. A system that delivers water directly to plant roots.
- 5. Chickens provide both meat and __________.
- 6. Agriculture in the future may include farming here, beyond Earth.
- 8. This renewable energy source can be made from corn.
- 9. Livestock manure can be recycled into this natural soil helper.
- 11. Vertical farming is often practiced in large __________.
- 12. Agriculture provides clothing, shelter, and __________.
- 14. Farming practice that protects soil for future generations.
- 17. Domesticated animals provide this important source of protein.
