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Science Mrs.Allred, Vocabulary list E.H Greene

a liquid changing into a gas


a gas changes to liquid


a solid changes directly into a gas, without ever becoming a liquid


a gas changes directly into a solid, example: frost


Chemical Change

Change in which the composition of a substance changes

To combust and change from the original substance into ashes and gas


A chemical change where iron and oxygen atoms combine to form a new reddish, powdery substance


A chemical change that causes a film to form on certain types of metal when exposed to air


To break down a material into its basic elements


To break down food so nutrients can be absorbed


energy is never created or destroyed; the only thing that changes is the form in which energy appears

Law of Conservation of Energy

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