Changes in Matter

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Across
  1. 6. in chemical change ___________ causes the atoms to break free.
  2. 8. a physical change takes place when matter changes _________.
  3. 9. matter is never _________ in a chemical change.
  4. 10. scientists can always __________ a mixture back into substances from which it was made?
  5. 13. most solutions are liquids but some are ________?
  6. 14. there are exactly the same number of __________ before the chemical change as there are afterward.
  7. 16. a chemical change happens whenever there is a change in a substance's ___________.
  8. 17. elements are made of only ______ type of atom?
  9. 18. ________ is different in different places?
  10. 19. a solid or a gas can become a ________.
Down
  1. 1. when elements and compounds combine.
  2. 2. chemical changes even happen inside your__________?
  3. 3. any change in matter that does not change the matters molecules?
  4. 4. what makes molecules move faster
  5. 5. the state of matter depends mostly on its __________.
  6. 7. a group of atoms.
  7. 11. burning wood is an example of ____________ change.
  8. 12. a substance that is made from molecules of more than one element?
  9. 13. a mixture that is not easy to separate?
  10. 15. every molecule in a compound is the __________?