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Science Proficiency 13

Key terms to know to be successful on your science proficiencies

AB
GasA gas is a sample of matter that conforms to the shape of a container in which it is held and acquires a uniform density inside the container, even in the presence of gravity and regardless of the amount of substance in the container.,
Boiling PointWhen a liquid is heated, it eventually reaches a temperature at which the vapor pressure is large enough that bubbles form inside the body of the liquid.,
LiquidComposed of molecules that move freely among themselves but do not tend to separate like those of gases; neither gaseous nor solid.,
Melting PointThe melting point of a substance is the temperature at which the solid phase converts to the liquid phase under 1 atmosphere of pressure,
Molecular MotionThe motion of molecules,
PhaseA physically distinctive form of matter, such as a solid, liquid, gas or plasma.,
SolidHaving three dimensions (length, breadth, and thickness), as a geometrical body or figure.,
Specific HeatThe specific heat is the amount of heat per unit mass required to raise the temperature by one degree Celsius,


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