Science Lab

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Across
  1. 1. gas becomes liquid
  2. 4. liquid becomes gas
  3. 6. part of an atom with a negative electrical charge
  4. 7. substance with a low pH
  5. 8. two substances that form a new substance together
  6. 9. part of an atom with a positive electrical charge
Down
  1. 1. two substances that remain separate when put together
  2. 2. object's resistance to any change in motion
  3. 3. substance with a high pH
  4. 5. part of an atom with no charge