faces of matter Flashcards
1
Q
explanation of the behavior of molecules in matter
A
Kinetic theory
2
Q
temperature at witch a solid begins to liquefy
A
melting point
3
Q
amount of energy required to change a substance from the solid phase to the liquid phase
A
heat of fusion
4
Q
the temperature at witch the pressure of the vapor in the liquid is equal to the external pressure acting on the surface of the liquid
A
boiling point
5
Q
liquid to a gas
A
heat of vaporiazation
6
Q
the bending of waves around an obstacle
A
diffusion
7
Q
matter consisting of positively and negatively charged partices
A
plasma
8
Q
increase in the size of a substance when the temperature is increased
A
thermal expansion