by

kcheer411 — 2015-03-02 15:20:16 UTC

kcheer411 — 2015-03-02 15:21:34 UTC

freezing- crossing the solid green line to change from a liquid to a solid

kcheer411 — 2015-03-02 15:26:54 UTC

melting- crossing the same green line but started on the solid side and changing to a liquid

kcheer411 — 2015-03-02 15:29:09 UTC

evaporation- crossing from above the blue line to below it and changing from a liquid to gas

kcheer411 — 2015-03-02 15:33:07 UTC

sublimation- crossing from above the red line to below it and changing directly from a solid to a gas

kcheer411 — 2015-03-02 15:35:11 UTC

condensation- crossing from below the blue line to above it and changing from a gas to a liquid

kcheer411 — 2015-03-02 15:36:57 UTC

deposition- crossing from below the red line to above it and changing directly from a gas to a solid

critical point

kcheer411 — 2015-03-02 15:40:04 UTC

the point where it becomes hard to distinguish between a liquid and a gas

kcheer411 — 2015-03-02 15:42:15 UTC

the point where all three phases co-exsist