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Mixtures and Separating Mixtures

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Mixtures and Separating Mixtures

  1. 1. Physical or Chemical Change?     Rusting iron nailsC. Dissolving sugar into iced tea P. Cutting paper into smaller pieces P. Plastic becoming brittle when left out in the sun C.
  2. 2. Review     4 States of Matter Physical Changes Change of State Chemical Changes
  3. 3. Mixtures   Two or more substances physically combined NOT chemically combined The parts of a mixture can be elements, compounds or elements and compounds
  4. 4. Mixtures    No chemical reaction takes place No new substance is formed All substances in a mixture retain their individual properties
  5. 5. Mixtures   They can be arranged in any way The ratio of a mixtures parts are not exact
  6. 6. Mixtures     Two classifications of mixtures: 1. Heterogeneous A mixture that is not the same throughout Salad, trail mix, Lucky Charms
  7. 7. Mixtures     2. Homogeneous A mixture that is the same throughout Its mixed so well it looks like one substance Milk, air, sugar cookies
  8. 8. Separating Mixtures    Separate the parts of the mixture Not the linked up atoms Separated physically or mechanically
  9. 9. Different Ways to Separate Mixtures  Straining
  10. 10. Different Ways to Separate Mixtures  Magnets
  11. 11. Different Ways to Separate Mixtures  Dissolving
  12. 12. Different Ways to Separate Mixtures  Evaporation
  13. 13. Different Ways to Separate Mixtures  Density

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