Describing Matter

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Across
  1. 2. measure of the force of gravity acting on an object
  2. 3. purify a liquid
  3. 4. change change that alters the appearance but does not change the substance
  4. 10. amount of space that matter occupies
  5. 12. change change in which one or more substances combine or break apart to form a new substance
  6. 14. A single kind of matter that is pure
  7. 15. neutral group of 2 or more atoms held together by a covalent bond
  8. 16. anything that has mass & takes up space
Down
  1. 1. how much mass of a substance contained in a given volume
  2. 5. property observed when a substance changes into a different substance
  3. 6. smallest particle of an element
  4. 7. change from US unit of measurement to SI unit of measurement
  5. 8. how much matter is in an object
  6. 9. Property can be observed without changing the substance
  7. 11. 2 or more substances together but not chemically combined
  8. 12. substance made of 2 or more elements chemically combined
  9. 13. pure substance that cannot be broken down into other substances