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phase changes vocab

Altitude vertical distance, or elevation, above sea level
Boil change from a liquid to a gas
boiling point the temperature at which boiling occurs at sea level the bp of water is 100 deg C higher altitude=lower temp needed to boil water
* Phase a state of matter with certain physical properties.
Solid a phase in which matter has a definite shape and a definite volume.
solid properties will retain the same shape and volume in any container; atoms are held in a rigid structure and cannot move freely.
Ice – water in the solid phase
Thermal Energy Energy in the form of heat
* Vaporization – rapid change from liquid to gas
* Condensation change from gas to liquid
* Sublimation – change from solid to gas
* Evaporation slow change from liquid to gas
* Deposition change from gas to solid
Freeze change from a liquid to a solid.
Freezing point the temperature at which freezing occurs. o At sea level, the freezing point of water is 32 °C °F).
* Gas – a phase in which matter has no definite shape or volume.
* Gas Properties will expand to fill any container; can be compressed; molecules relatively far apart and move freely.
Water Vapor water in the gas phase
Liquid – a phase in which matter has definite volume but no definite shape.
* Liquid properties will take the shape of a container but cannot expand or be compressed; molecules in a liquid move randomly but stay close to one another.
* Melt – change from a solid to a liquid.
* Melting point the temperature at which melting occurso At sea level, the melting point of ice is 0 °C (32 °F)..
Created by: elliethefirst