science 10 ch 3

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  1. extremely small particles
    atoms
  2. a group of atoms
    molecules
  3. what is the attraction that holds together atoms and molecules
    cohesion
  4. process of mixing molecules of one substance with another
    diffusion
  5. random motion of microscopic particles
    Brownian motion
  6. one way diffusion through a semipermeable membrane
    osmosis
  7. molecules or atoms that are arranged in a well-ordered pattern
    crystalline
  8. random arrangement of molecules that do not have a set melting point
    Amorphous
  9. the ability of a solid to recover its original shape after being deformed
    elasticity
  10. how far a material can be deformed from its original shape before that deformation becomes permanent
    resilience
  11. how strongly a material opposes deformation
    rigidity
  12. what can be increased by heating
    plasticity
  13. another commonly measured property of solids
    hardness
  14. scale that test liabulility to scratches
    Mohs scale
  15. measures liability to denting
    Brinell hardness scale
  16. molecules in an object are pulled apart
    stretching
  17. formula for Hooke's Law
    F = kx
  18. the opposite of stretching
    compression
  19. a combination of stretching and compression
    bending
  20. occurs when two forces in opposite directions are side by side
    shear
  21. twisting
    torsion
  22. attraction to molecules of a different substance
    adhesion
  23. depends upon the strength of he cohesion in the liquid
    surface tension
  24. force exerted per unit of area
    pressure
  25. s applied to a fluid inside a closed container, the pressure increase will be distributed equally throughout the container
    Pascal's principle
  26. when pressure is caused by gravity pulling on the liquid
    gravitational pressure
  27. equations of equivalent ratio
    proportions
  28. temperature and pressure are directly related when volume is held constant
    Amontons's law
  29. Pressure and volume of a gas are inversely related to a constant temperature
    Boyle's law
  30.  (1) V/T=V/T (2)
    Charles's law
  31. P1V1 = P2 V2
  32. Boyle's law
  33. (1)P/T=P/T(2)
    Amontons's law
  34. the pressure of air
    Atmospheric pressure
  35. made the first barometer
    Evangelista Torricelli
  36. an empty space with no matter
    vacuum
  37. mercury-filled column
    barometer
  38. airtight metal box with thin, flexible walls to measure pressure
    aneroid barometer
  39. simple devices used to move liquids over obstacles without pumps
    syphon
  40. a device used to measure altitude
    altimeter
  41. The tendency for a solid object to float when placed in a fluid
    buoyancy
  42. device used to measure the specific gravity of liquids
    hydrometer
  43. the buoyant force experienced by an object is exactly equal to the weight of the fluid displacement
    Archimedes' principal
  44. technique used to determine the specific gravity of a solid denser than water
    hydrostatic weighing

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Author:
Rayna
ID:
322696
Filename:
science 10 ch 3
Updated:
2016-09-13 00:01:19
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