Matter Puzzle 1

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Across
  1. 2. able to occupy a smaller volume when subjected to increased pressure
  2. 6. a characteristic we use to distinguish one substance from another
  3. 9. property a property that a substance can display only through changing its composition
  4. 10. a substance composed of two or more different types of atoms or molecules combined in variable proportions
  5. 11. a mixture that has the same composition throughout
  6. 15. a state of matter in which atoms or molecules are packed close to each other but are free to move around and by each other
  7. 16. one of the three forms in which matter can exist; solid, liquid, and gas
  8. 17. a property that a substance displays without changing its composition
  9. 18. a substance composed of two or more elements in fixed, definite proportions
  10. 19. a state of matter in which atoms or molecules are widely separated and free to move relative to one another
Down
  1. 1. a mixture that has two or more regions with different compositions
  2. 3. anything that occupies space and has mass
  3. 4. a state of matter in which atoms or molecules are packed close to each other in fixed locations
  4. 5. a type of solid matter with atoms or molecules arranged in a well-ordered, three-dimensional array with long-range, repeating order
  5. 7. two or more atoms joined in a specific arrangement by chemical bonds
  6. 8. a substance that cannot be broken down into simpler substances
  7. 12. the smallest identifiable unit of an element
  8. 13. a substance composed of only one type of atom or molecule
  9. 14. a type of solid matter in which atoms or molecules do not have long-range order