Interactions of Matter for 8th grade

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Across
  1. 4. A compound that produces hydrogen ions in solution, has a pH less than 7, and tastes sour.
  2. 5. A range of values (1-14) used to measure the concentration of hydronium ions in a solution.
  3. 7. The process of a solid changing directly into a gas.
  4. 9. A state of matter with no definite volume or shape.
  5. 11. A state of matter with a definite volume but no definite shape.
  6. 12. The change of state from a gas to a liquid.
  7. 13. The temperature at which a solid changes into a liquid.
  8. 14. The substance that is dissolved in a solution.
Down
  1. 1. The temperature at which a liquid changes into a gas.
  2. 2. The process of a liquid changing into a gas at the surface.
  3. 3. A homogeneous mixture where one substance is dissolved into another.
  4. 6. The substance that does the dissolving in a solution.
  5. 7. A state of matter with a definite shape and volume.
  6. 8. A high-energy state of matter, similar to gas, consisting of ionized particles; found in stars.
  7. 10. A compound that produces hydroxide ions, has a pH greater than 7, and feels slippery.