Across
- 1. amount of matter (stuff) in an object
- 3. unit used to measure mass
- 5. particles are tightly arranged
- 7. particle movement is super fast
- 9. spring equinox
- 10. tool used to mass objects
- 12. amount of gravitational pull from earth
- 15. system where "things" can get in or out
- 16. line of latitude for our spring and autumn
- 17. digestion starts here
Down
- 2. organ of absorbtion of nutrients
- 4. enzyme found in mouth to break down carbohydrates
- 6. line of latitude for our winter, tropic of ---
- 8. produces bubbles when placed in water
- 11. system where matter is trapped, nothing escapes
- 13. particles are spread apart and can flow
- 14. line of latitude for our summer , tropic of ---