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SCIENCE

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  1. 3. firm and stable in shape; not liquid or fluid
  2. 4. (heat of) the heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature: equal to the heat of solidification
  3. 5. the lowest temperature that is theoretically possible, at which the motion of particles that constitutes heat would be minimal
  4. 7. a substance made by mixing other substances together
  5. 9. the relationship between the pressure and volume of a gas at constant temperature; when volume increase, pressure decreases, ideal Gas Law.
  6. 11. any change that results in the formation of new chemical substances
  7. 12. a thing that is composed of two or more separate elements
  8. 14. a porous material is used to separate particles of different sizes
  9. 15. the direct solidification of a vapor by cooling; the reverse of sublimation
  10. 16. the degree to which a specified material conducts electricity, calculated as the ratio of the current density in the material to the electric field that causes the flow of current
  11. 18. a law stating that the volume of an ideal gas at constant pressure is directly proportional to the absolute temperature
  12. 20. (heat of) is temperature-dependent, though a constant heat of vaporization can be assumed for small temperature ranges and below
  13. 21. heterogeneous mixture in which solute-like particles settle out of a solvent-like phase some time after their introduction
  14. 24. a liquid mixture in which the minor component (the solute) is uniformly distributed within the major component (the solvent)
  15. 27. a property (as color, hardness, boiling point) of matter not involving in its manifestation a chemical change
  16. 29. the quality of something that can be shaped into something else without breaking
  17. 30. the continuous physical force exerted on or against an object by something in contact with it
  18. 32. a change from one state (solid or liquid or gas) to another without a change in chemical composition
  19. 34. cause (a substance) to be deposited in solid form from a solution
  20. 36. each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter
  21. 37. having a consistency like that of water or oil, i.e., flowing freely but of constant volume
  22. 38. physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy
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  1. 1. a heterogeneous mixture in which solute-like particles do not settle out
  2. 2. substances that are made of only one type of atom or molecule, and the purity of a substance is the measure of the extent to which a given substance is pure
  3. 6. a law stating, for a fixed amount of an ideal gas kept at a fixed temperature, pressure and volume are inversely proportional
  4. 8. the basic unit of a chemical element
  5. 9. a property or behavior of a substance when it undergoes a chemical change or reaction
  6. 10. the action of purifying a liquid by a process of heating and cooling
  7. 13. changes affecting the form of a chemical substance, but not its chemical composition
  8. 17. the degree of compactness of a substance
  9. 19. (of a reaction or process) accompanied by or requiring the absorption of heat
  10. 22. substances and mixtures which are in a single phase
  11. 23. of or denoting a process involving substances in different phases (solid, liquid, or gaseous)
  12. 25. the body of theory that explains the physical properties of matter in terms of the motions of its constituent particles
  13. 26. how easily something will burn or ignite, causing fire or combustion
  14. 28. a chemical process where a solid turns into a gas without going through a liquid stage
  15. 31. an airlike fluid substance which expands freely to fill any space available, irrespective of its quantity
  16. 33. of a reaction or process) accompanied by the release of heat
  17. 35. the state or power of being reactive or the degree to which a thing is reactive