paris 5 period
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Chemical/physical change Chemical/physical change
By.paris bolesBy.paris boles9-18-099-18-09
5 5 periodperiod
Physical and chemicalPhysical and chemical
Physical- in a substance doesn't change Physical- in a substance doesn't change what the substance what the substance
Chemical- a new substance is formed and Chemical- a new substance is formed and energy is either given off or absorbed. energy is either given off or absorbed.
Chemical changePhysical change
Chemical changeChemical changeExample-Example-
Answer -substances are changed into different substances. Another words, the composition of the substance changes.
Physical changePhysical change
Example-Example-
Answer- If only the form of a substance Answer- If only the form of a substance changes, you have observed a physical changes, you have observed a physical change. change.
ReferencesReferences
Websites – i get my picture from MSN and Websites – i get my picture from MSN and my information to of a sites called my information to of a sites called change is cool .change is cool .
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