particles Flashcards
boiling
The change of state from liquid to gas that occurs when bubbles of the substance in its gas state form throughout the liquid.
boiling point
The temperature at which a substance boils.
change of state
The process by which a substance changes from one state to another.
collide
To bump into, or hit, a particle or surface.
condense
The change of state from gas to liquid.
diffusion
The movement of liquid or gas particles from a place of high concentration to a place of low concentration.
evaporate
The change of state from liquid to gas that occurs when particles leave the surface of the liquid only. It can happen at any temperature.
freezing
The change of state from liquid to solid.
gas
In the gas state, a substance can flow and can also be compressed.
liquid
In the liquid state, a substance can flow but cannot be compressed.
material
The different types of stuff that things are made from.
melting
The change of state from solid to liquid.
melting point
The temperature at which a substance melts.
mixture
A material whose properties are not the same all the way through.
particle
The tiny things that materials are made from.
