Physical Science Semester 1 Review

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Across
  1. 6. The quantity of a substance within a certain volume
  2. 9. Evaporation of water from plants
  3. 10. A weak bond between a hydrogen atom in one molecule and another atom in another molecule. (this makes water unique)
  4. 11. The point where an earthquake begins.
  5. 12. The pressure exerted by the atmosphere on all objects within it.
  6. 14. A substance that is dissolved in a solvent
  7. 15. two or more atoms linked together to make a substance with unique properties
  8. 16. the smallest chemical unit of matter
Down
  1. 1. The moisture content of air
  2. 2. A molecule that has slight positive and negative charges due to an imbalance in the way electrons are shared
  3. 3. The cooling of a gas that happens when the gas expands with no way of getting more energy
  4. 4. The process by which certain gases trap heat that radiates from the earth.
  5. 5. The phenomenon that occurs when individual molecules are so strongly attracted to each other that they tend to stay together, even when exposed to tension
  6. 7. the number of molecules or atoms of a substance in a mixture for every 1 million molecules in that mixture.
  7. 8. An instrument used to measure atmospheric pressure
  8. 13. A liquid substance capable of dissolving other substances