Across
- 4. Made the cotton gin
- 5. a tower on a farm used to store grain
- 8. a substance, such as mud or dust
- 9. can collect corn
- 12. can find corn in it
- 13. can plant corn
- 14. is found on corn
- 15. is the most common crop
Down
- 1. Made the combined
- 2. Made the first tractor
- 3. old combined
- 6. a circular object that revolves on an axle
- 7. a powerful motor vehicle with large wheels
- 10. the upper layer of earth where plants grow
- 11. a large farm building used for storing hay