# 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
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
 Author: Rayna ID: 322696 Card Set: science 10 ch 3 Updated: 2016-09-13 00:01:19 Tags: science Folders: science Description: A Beka Show Answers: