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physical science voc
sceince
Term | Definition |
---|---|
atom | the basic particle from which all elements are made; the smallest particale of an element that has the propesition |
boil | the change in state from a liquid to a gas |
condense | the change in state from gas to liquid |
evaporate | the process by which moloclues at the surface of a liquid absorbs enough energy to change to a gas |
freeze | the tempature at which a liquid freezes |
gas | a state of matter with no definte shape or volume |
inert | having little or no ability to react |
kinetic energy | energy that an object has due to its motion |
liquid | a state of matter that has no definte shape but has a definte shape but has a definte volume |
matter | anything that has mass and takes up space |
melt | the tempature at which a substance changes from a solid to a liquid |
moleculse | a nuetral group to two or more atoms held together by convalent bonds |
partical | smallest possible unit of matter |
partical motion | ways in which an atoma,ions, or moi |
phase | a physical distinctive form of matter, such as a solid, liquid, or gas |
phase change | a change from one state (solid liquid or gas) to another without a change in chemical composition |
pressure | the physical force exerted on an object |
pure substance | a substance made of only one kind of matter and having definte properteis |
solid | a state of matter that has a definte shape and volume |
system | a group of parts that work together as a whole |
tempature | a measure of the average energy of motion of all the particals of a object |
thermal energy | the total kinetic and poteintral energy of all the particals of an object |
vapor | gaseos state of a substance that a liquid or a solid at room tempature |
conduction | the transfer of thermal energy from one object to another |
convection | the tranfer of thermal energy by the movment of fluid |
radition | the transfer of energy by electromagentic waves |