aleaha buresh period 4

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aleaha buresh period 4

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

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