Across
- 6. water
- 7. to stimuli when an organism reacts
- 9. the amount of matter
- 10. gravity on an object
- 12. space
- 13. life
- 14. two or more substances
Down
- 1. a group
- 2. properties ability of a substance
- 3. a kind of matter
- 4. two or more elements
- 5. matter i made
- 8. properties a characteristic
- 9. the scientific word for stuff
- 11. substances