science

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Across
  1. 4. is a type of vaporization of a liquid that occurs from the surface of a liquid into a gaseous phase that is not saturated with the evaporating substance.
  2. 7. whose variation does not depend on that of another.
  3. 8. is a chemical process where a solid turns into a gas without going through a liquid stage.
  4. 13. water which collects as droplets on a cold surface when humid air is in contact with it.
  5. 14. he smallest particle of a chemical element that can exist.
  6. 16. are made with instruments such as rulers
  7. 18. is any property that is measurable, whose value describes a state of a physical system.
Down
  1. 1. physical substance in general,
  2. 2. capable of being decomposed by bacteria or other living organisms and thereby avoiding pollution
  3. 3. An element, feature, or factor that is liable to vary or change.
  4. 5. You must change only one factor at a time while keeping all other conditions the same
  5. 6. use your senses to observe the results.
  6. 9. An educated guess
  7. 10. From solid to liquid
  8. 11. whose value depends on that of another.
  9. 12. he action of deposing someone, especially a monarch.
  10. 15. poisonous.
  11. 17. the curved upper surface of a liquid in a tube.