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By aleaha buresh
September 18th 2009
Period 4th
Physical change
• Physical change does not alter the chemical properties of a substance.
• Physical change occurs when there is a change in phase, or form
Physical change
Chemical change
• Chemical change occurs when new substances are produced with new chemical properties.
• Iron reacts with oxygen to create iron oxide.
Chemical change
Example of physical change
• A snowman is a example of physical change because it is being made into something.
Example of chemical change
• A spring rusting is a chemical change because it is rusting away.
references
• Web site midway middle online book