Across
- 3. large sized gravel
- 7. form of gardening
- 10. comes from chalk and limestone rock
- 11. green and grown from the ground
- 14. smallest type of rock particle
- 15. protection from weather in glass building
- 17. manufacturing process
- 18. mixture of sand silt and clay
- 19. smooth and smallest particle
Down
- 1. heated greenhouse
- 2. cultivate
- 4. constructed ---------
- 5. dark in colour so warms up quick in spring
- 6. unicellular microorganisms
- 8. improve
- 9. provides nourishment
- 12. largest particle and rough and gritty
- 13. mineral or organic matter
- 15. transported by wind and water
- 16. medium sized particle and smooth/ powdery