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Science Mrs.Allred, Vocabulary list E.H Greene

a liquid changing into a gas

Vaporization

a gas changes to liquid

Condensation

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

Sublimation

a gas changes directly into a solid, example: frost

Deposition

Chemical Change

Change in which the composition of a substance changes

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

Burn

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

Rust

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

Tarnish

To break down a material into its basic elements

Decompose

To break down food so nutrients can be absorbed

Digest

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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