Across
- 2. personal belief not supported by facts
- 5. breaks down dead organic matter
- 7. able to be solved with experimentation
- 8. the property that causes an object to have weight
- 9. push or pull of an object
- 11. study of planets, stars, and other objects
- 12. layer of gas surrounding a planet
- 13. basic unit of life
- 14. amount of matter in a given space
- 15. has mass and occupies space
Down
- 1. the space that an object takes up
- 3. the smallest component of an element
- 4. ability to do work
- 6. make a mathematical computation
- 10. tending to improve development