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Across
  1. 1. lemons would be an _______ on the pH scale
  2. 3. matter with definite shape at room temperature and pressure
  3. 4. fluid matter having no fixed shape but a fixed volume
  4. 6. a group of atoms joined together
  5. 9. the smallest component of an element
  6. 10. caused the balloon to inflate during the vinegar and baking soda experiment
  7. 12. the change from a gas to a liquid
  8. 15. the material that something is made up of
  9. 16. a fourth state of matter distinct from solid, liquid or gas
  10. 17. a change from one state (solid or liquid or gas) to another without a change in chemical composition
Down
  1. 2. a substance that changes color to show something's presence
  2. 5. solid state of water
  3. 7. liquid changes to a gas
  4. 8. a chemical with a pH between 7 and 14
  5. 11. an example of a non-Newtonian fluid
  6. 13. ________flows from the hotter object to the cooler
  7. 14. that which has mass and occupies space
  8. 15. the property of a body that causes it to have weight
  9. 16. a measure of the acidity or alkalinity of a solution