6 gr. vocab words unit 1

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Across
  1. 3. the amount of mass in a given volume.
  2. 6. characteristic that describes its ability to change into another substance
  3. 8. charachteristic that can be observed without changing it into another substance
  4. 10. a object that is hard and cannot easily be molded
  5. 11. the study of the properties of matter and how matter changes
  6. 12. groups of 2 or more atoms held together by chemical bonds
  7. 13. the measure of how much matter is in an object
  8. 16. a table illustrating the periodic system
  9. 18. anything that has mass and takes up space
  10. 19. the amount of space that matter occupies
Down
  1. 1. a substance with molecular mobility
  2. 2. a measure of the warmth or coldness of an object or substance
  3. 4. composed of molecules that move freely among themselves
  4. 5. the exertion of force
  5. 7. the measure of gravity on an object
  6. 9. when a gas turns into a liquid
  7. 14. a single kind of matter that is pure
  8. 15. the unit used to measure mass.
  9. 17. the simplest substance, cannot be broken down