Across
- 3. the smallest part of a compound
- 5. not a solid,liquid,or plasma
- 6. it makes up a the four states of matter
- 7. something that does not change into something else
- 9. one of the four states of matter not a solid,gas,or plasma
- 12. solid,liquid,gas and plasma
- 15. how much or the amount
- 16. how much space something takes up
- 17. the atoms are very close together
- 18. when you change a gas to a liquid
- 19. is everything that takes up space and has mass
- 20. when you change a liquid to a gas
Down
- 1. it has two or more elements
- 2. when you change a solid to a liquid
- 4. something that can separated
- 8. it changes to into something else
- 10. when you change a liquid to a gas
- 11. it is in lightning
- 13. a compound has two or more of these
- 14. when you change a liquid to a solid
- 17. can not be taken apart like a mixture