STATES OF MATTER

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Across
  1. 4. a relatively stable state of matter
  2. 5. smallest particle of a chemical element
  3. 6. a larger body of matter with no definite shape
  4. 7. an increase in the volume of a substance while its mass remains the same
  5. 12. the temperature at which a given solid will melt
  6. 13. the process of a substance changing from a liquid to a gas
  7. 16. a group of linked ideas intended to explain something
  8. 17. the process of a substance changing from a gas to a liquid
  9. 19. the movement of a liquid from a high concentration area to a area of lower concentration
  10. 20. the process of a substance changing from a liquid to a solid
Down
  1. 1. the matter with most kinetic energy
  2. 2. a substance that cannot be broken down into simpler substances by chemical means
  3. 3. any substance that has mass and takes up spaces by having volume
  4. 8. the characteristic of a matter that can be observed and measured
  5. 9. the temperature at which a liquid boils
  6. 10. the behavior of a substance that can be observed when it undergoes a chemical change
  7. 11. a state of matter that conforms to the shape of a container
  8. 14. the amount of space an object occupies
  9. 15. the process of a substance changing from a solid to a liquid
  10. 18. energy what an object has because of its motion