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IS UN 1 - Lesson 4

States of Matter

TermDefinition
solid -a state of matter that has a definite shape and volume -its particles are tightly packed together and vibrate in place
liquid -a state of matter that has a definite volume, but does not have a definite shape. (Takes the shape of its container.) -its particles are less tightly packed and can move and slide past one another
gas a state of matter that has no definite shape or volume -the particles are farther apart than particles in liquids or solids
volume the amount of space that a substance or object takes up
evaporation a process through which a liquid changes into a gas
condensation The process through which a gas changes into a liquid
changes of state of matter A change occurs when energy is added or lost
adding energy The particles start to move more quickly - enough energy will cause a change in state of matter.
energy is lost The particles slow down and move closer - if enough energy is lost, this will cause a change in the state of matter.
Created by: Grohe
 

 



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