Across
- 3. the weight supported by a structure
- 4. a force that causes objects to move away
- 5. a force that causes objects to move towards
- 7. a charged object with opposing poles
- 9. the type of soil found on a beach
- 11. the shape of a structure
- 13. an ever-present force
- 14. the best type of soil for plant growth
- 15. how a plant makes its' food
- 18. holds the plant in the ground
- 19. can be added to the soil to help plants grow
Down
- 1. when bees transfer pollen between plants
- 2. the force of water that counters gravity
- 6. objects that are dead, and always have been
- 8. the process of breaking down rocks into soil
- 10. the use of triangles to add strength
- 12. layering building materials to add strength
- 16. objects that came from something or are alive
- 17. part of the plant that absorbs sunlight
- 19. the purpose of a structure