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Phase change vocab

Here is some notes on science

TermDefinition
• altitude vertical distance, or elevation, above sea level.
• boil change from a liquid to a gas.
• boiling point the temperature at which boiling occurs. o At sea level, the boiling point of water is 100 °C (212 °F). o Water boils at lower temperatures at higher altitudes because air pressure is lower there.
• 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 0 °C (32 °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 occurs. o At sea level, the melting point of ice is 0 °C (32 °F).
• phase a state of matter with certain physical properties. o Solid, liquid, and gas phases occur naturally on Earth. o Plasma is a phase found in stars.
• 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
Created by: Ace0512
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