click below
click below
Normal Size Small Size show me how
8th G Prop of Matter
properties of matter
Question | Answer |
---|---|
a characteristic of a substance that can be observed without changing the identity of a substance | physical property |
a measure of the amount of matter present in a given volume of a substance | density |
a change in any physical property of a substance, not in the substance itself | physical change |
a characteristic of a substance that describes how it can form a new substance | chemical property |
a change of one substance into another substancw | chemical change |
the process by which a solid becomes a liquid | melting |
the lowest temperature at which a substance starts to melt | melting point |
the process by which a liquid becomes a solid | freezing |
the temperature at which a specific liquid becomes a solid | freezing point |
a process by which a liquid becomes a gas, usually occurs at the surface of a liquid | evaporation |
the process by which a solid changes directly to a gas without becoming a liquid first | sublimation |
a process by which a liquid becomes a gas | boiling |
produces bubbles inside the liquid | boiling |
the temperature at which a substance changes from its liquid state to its gas state through boiling | boiling point |
the process by which a gas becomes a liquid | condensation |
the movement of a substance from an area of a greater concentration fo molecules to an area of lesser concentration of molecules | diffusion |
has observable properties | matter |
has properties that can be changed by physical and chemical processes | matter |
has mass and volume and exists in different states | matter |
physical property | mass |
physical property | size |
physical property | color |
physical property | shape |
physical property | texture |
physical property | volume |
measure of the amount of matter present in a given volume of a substance | density |
nomally expressed in units of grams per cubic centimeter | density |
a property of a substance that remains the same no matter how much of the substance you have | density |
breaking clay in half | physical change |
stretching a rubber band | physical change |
water changing from a liquid to water vapor | physical change |
wool being pulled from a sheep | physical change |
burning of wood | chemical change |
substances forming other substances | chamical change |
used to identify chemical properties | chemical change |
silver tarnishing | chemical change |
change of one substance to another | chemical change |
change in temperature | sign of chemical change |
change in color | sign of chemical change |
formation of bubbles | sign of chemical change |
formation of a solid | sign of a chemical change |
has properties that can be changed by physical and chemical processes | matter |
changes of state | physical changes |
can change from one state to another | matter |
solid to liquid | iron melting |
liquid becomes solid | water to ice |
liquid to solid | melting iron to solid iron |
substances with oderly atomic structures have this | well defined melting points |
has properties that can be changed by physical and chemical processes | matter |
changes of state | physical changes |
can change from one state to another | matter |
solid to liquid | iron melting |
liquid becomes solid | water to ice |
liquid to solid | melting iron to solid iron |
substances with oderly atomic structures have this | well defined melting points |
the process by which a liquid becomes a solid | freezing |
the temperature at which a specific liquid becomes a solid | freezing point |
liquid to gas | evaporation |
liquid to gas | boiling |
solid first | sublimation |
changes directly to gas | sublimation |
similiar to evaporation | sublimation |
liquid | boiling point |
certain temperature | boiling point |
100 degree C | boiling point |
has properties that can be changed by physical and chemical processes | matter |
used to identify substances | properties |
can change from one state to another | matter |
have characteristic properties | substances |
mass/Volume | density |
m/V | density |