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physical science 1

TermDefinition
atom the basic partical of which all elements are made the smallest partical of an element that has properties of that element
boil the change in state from a liquid to a gas
condense the change in state from a gas to a liquid
evaporate the process by which molecules at the surface create enough energy to change into a gas
freeze the tempature at which a liquid freezes
gas a state of matter whith no definite shape or volume
inert having a little or no ability to react
kinetic ability energy that an object has due to its motion
liquid a state of matter that has no definite shape but has a definite volume
matter anything that has a mass or takes up space
melt the tempature at which the state of solid to liquid
molecule a neutral group of two atoms held together by bonds
particle smallest possible unit of matter
particle motion the way in which atom ions and molecule move
phase a physical distinctive form of matter such as solid liquid or gas
phase change a change from one state soliid liquid or gas to another whithout a change of in chemical position
pressure the physical force exerted on an object
pure substance a substance made of only one type of matter and having a definite propeties
solid a state of matter that has a definite shape and volume
system a group of parts that work together as a whole
temperature a mesure of the average energy of motion of the particals of an substance
thermal energy the total potental and kinetic energy of all particals of an substance
vapor gaseous state of an substance that is liquid or a solid at room tempature
conduction the transfer of thermal energy from one object too another
convection the transfer of thermal energy from one object to another through fluid
radiation the transfer of energy through electro magnet waves
Created by: user-1718148
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