Comp 2

one of the three states of matter where the particles are far apart and the attractive forces between the particles are overcome; no definite shape and no definite volume
matter consisting of positively and negatively charged particles.
amount of force exerted per unit area; SI unit is the pascal.
Kinetic theory
explanation of the behavior of molecules in matter; states that all matter is made of constantly moving particles that collide without losing energy.
Bernoulli’s Principle 

  1. states that as the velocity of a fluid increases, the pressure exerted by the fluid decreases.

mass per unit volume of a material
heat of vaporization 
the amount of energy required for the liquid at its boiling point to become a gas.
SI unit of pressure
boiling point

  1. the temperature at which the pressure of the vapor in the liquid is equal to the external pressure acting on the surface of the liquid.

heat of fusion 
amount of energy required to change a substance from the solid phase to the liquid phase.

  1. spreading of particles throughout a given volume until they are uniformly distributed.

Kinetic Energy
energy a moving object has because of its motion
Pascal’s Principle 

  1. states that pressure applied to a fluid is transmitted throughout the fluid.

Archimedes’ Principle 
states that the buoyant force on an object is equal to the weight of the fluid displaced by the object.
thermal expansion 

  1. increase in the size of a substance when the temperature is increased.

Charles’ Law
states that the volume of a gas increases with increasing temperature as long as the pressure is held constant


 one of the three states of matter where the particles are moving more freely, possessing enough kinetic energy to slip out of an ordered arrangement; no definite shape (takes the shape of its container) and definite volume.


Boyle’s Law 
states that if you decreases the volume of a container of gas and hold the temperature constant, the pressure of the gas will increase
melting point 
at which a solid begins to liquefy

  1. ability of a fluid – a liquid or a gas – to exert an upward force on an object immersed in the fluid.

a fluid’s resistance to flow.

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