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 .