Matter

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Across
  1. 1. which state of matter has particles that are very spread out
  2. 4. when one substance dissolves into another and they cannot be separated
  3. 7. when substances are mixed, but can be separated again
  4. 10. causes matter to change phases
  5. 12. table salt (NaCl) and water (H2O) are examples of a ________
  6. 13. which state of matter takes the shape of its container, but doesn't change its volume
Down
  1. 2. which state of matter has particles that are very close to each other and cannot move freely
  2. 3. hydrogen and oxygen are examples of an _______
  3. 5. anything that has mass and volume
  4. 6. when heated, a solid will turn into a ______
  5. 8. when two or more elements combine
  6. 9. the amount of matter in an object- does not change
  7. 11. which state of matter keeps its shape