Qualitative
Properties: If you see, taste, hear, touch and/or smell something through
observation, like the color, texture, state, and movement of matter, you are witnessing qualitative properties.
Condensation: Once water has boiled/evaporated into the air, it doesn’t always
stay as a gas. To transform back into a liquid,
the average water temperature
needs to go down to less that 100 Celsius, and the water molecules must
accumulate on a cold surface. A few examples of cold surfaces are
window panes, toilet lids, and refrigerators. At any temperature
that water is a gaseous
form, it can "condense" back into a liquid.
Evaporation: When water is a liquid at 0 to 100 degrees Celsius, and the
air around it is not saturated, water can slowly change into water vapor, due
to the vibration of molecules. You can compare the "dissolving" of water
into air like the "dissolving" of sugar in water.
Sublimation: If a solid changes into a gas without first changing to a liquid, then sublimation has occurred. Two good examples are wood-> carbon dioxide, and dry ice->carbon dioxide.