Matter

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Across
  1. 3. substance that has a definite shape and volume.
  2. 6. mixture of substances that are evenly distributed throughout.
  3. 10. process by which a gas changes to a liquid.
  4. 11. substance that has neither definite shape nor volume.
  5. 12. combination of substances in which the individual substances do not change or combine chemically.
Down
  1. 1. basic building block of matter and the smallest unit of an element that has all the properties of the element.
  2. 2. state of electrically charged matter that forms only at a very high temperatures such as those existing in stars.
  3. 4. mixture of substances that are not distributed evenly throughout.
  4. 5. pure substance that forms when 2 or more elements join chemically in fixed proportions.
  5. 7. substance that has a definite volume but not a definite shape.
  6. 8. point-The temperature at which a solid changes into a liquid.
  7. 9. point-The temperature at which a liquid changes into a solid.