Physical Science Chapter 2 Terms

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Anonymous
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58984
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Physical Science Chapter 2 Terms
Updated:
2011-01-10 14:48:09
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Matter
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Matter & Energy
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  1. The study of matter and how it changes?
    Chemistry
  2. Anything that has mass and takes up space?
    Matter
  3. A substance that cannot be broken down into simpler substances?
    Element
  4. The smallest particle that has the properties of an element?
    Atom
  5. A substance made of atoms of more than on element bound together?
    Compound
  6. The smallest unit of a substance that exhibits all of the properties characteristic of the substance?
    Molecule
  7. The chemical symbols and numbers indicating the atoms contained in the basic unit of a substance?
    Chemical Formula
  8. Any mater that has a fixed composition and definite properties?
    Pure Substance
  9. A combination of more than one pure substance?
    Mixture
  10. Describes two or more liquids that are able to dissolve into each other in various properties?
    Miscible
  11. Describes two or more liquids that do no mix into each other?
    Immiscible
  12. The force exerted per unit area of a substance?
    Pressure
  13. The resistance of a fluid to flow?
    Viscosity
  14. The ability to change or move matter?
    Energy
  15. The change of a substance from a liquid to a gas?
    Evaporation
  16. The change of a substance from a gas to a liquid?
    Condensation
  17. The change of a substance from a solid to a gas?
    Sublimation
  18. The way a substance reacts with others to form new substances with different properties?
    Chemical Property
  19. The ability of a substance to combine chemically with another substance?
    Reactivity
  20. A characteristic of a substance that can be observed or measured without changing the composition of the substance?
    Physical Property
  21. The temperature at which a solid becomes a liquid?
    Melting Point
  22. The temperature at which a liquid becomes a gas below the surface?
    Boiling Point
  23. The mass per unit volume of a substance?
    Density
  24. The force with which a more dense fluid pushes a less dense substance upward?
    Buoyancy
  25. A change that occurs when a substance changes composition by forming one or more new substances?
    Chemical Change
  26. A change in the physical form or properties of a substance that occurs without a change in composition?
    Physical Change

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