matter vocab

1234567891011121314151617181920
Across
  1. 1. change when one or more substance combine or break apart from a new substance
  2. 5. the amount of space an object takes up
  3. 7. a change directly from the solid to the gaseous state without becoming a liquid
  4. 9. a characteristic of a pure substance that can be observed without changing it into another substance
  5. 11. state of matter that is made of atoms in which some or all of the electrons have been stripped away and positively charged ions roam free
  6. 13. a measure of the amount of matter in an object
  7. 14. a liquid becomes solid, below 32 degrees F
  8. 17. smallest particle of an element
  9. 18. a solid becomes liquid by heat
  10. 19. substance being dissolved in a mixture
  11. 20. 2 or more substances mixed but not chemically combined
Down
  1. 2. has the same properties and chemical composition
  2. 3. conversion of a vapor or gas into a liquid
  3. 4. able to dissolve other substances
  4. 6. temperature when a liquid bo9ils and turns water to vapor
  5. 8. has no definite shape but has a definite volume
  6. 10. a molecule composed of one kind of atom, cannot be broken
  7. 12. not uniform throughout the mixture
  8. 15. has a definite volume and a definite shape
  9. 16. no definite shape of volume