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Understanding Physical and Chemical Changes Through Common Examples

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Explore the fascinating world of physical and chemical changes with this comprehensive guide. By examining everyday examples, we can differentiate between these two types of transformations. From aluminum foil being hammered flat to wood ashes created from burning, this guide provides clear before-and-after scenarios. Delve into phenomena like the evaporation of salt crystals, the reaction of magnesium in acid, and the melting of ice cubes in water. Gain insights into the changes in matter that occur in our daily lives!

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Understanding Physical and Chemical Changes Through Common Examples

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Presentation Transcript

  1. Matter Matters

  2. #1Physical OR Chemical Change? • Before • Piece of Aluminum Metal • After • Sheet of Aluminum Foil Hammered into

  3. #2Physical OR Chemical Change? • Before • Wood Block • After • Wood Ashes burned

  4. #3Physical OR Chemical Change? • Before • Sheet of Paper • After • Shredded paper Torn up

  5. #4Physical OR Chemical Change? • Before • Plastic form • After • Plastic bottle Molded

  6. #5Physical OR Chemical Change? • Before • Salt Water • Before • Salt Crystals Evaporated

  7. #6Physical OR Chemical Change? • Before • Magnesium placed in acid • After • Gas bubbles form React

  8. #7Physical OR Chemical Change? • After • Clear liquid • Before • Magic Ink + vinegar Color Changes

  9. #8Physical OR Chemical Change? • After • Small sugar crystals • Before • Large sugar crystals Crushed

  10. #9Physical OR Chemical Change? • After • Glass of water • Before • Ice Cubes Melted

  11. #10Physical OR Chemical Change? • After • Rusty nails • Before • Iron nails Exposed to Moisture

  12. #11Physical OR Chemical Change? • After • Fizzing bubbles • Before • Vinegar + Baking Soda React

  13. #12Physical OR Chemical Change? • After • Carbon Dioxide Gas • Before • Solid dry ice Changes State

  14. #13Physical OR Chemical Change? • After • Plastic cup • Before • Plastic pellets Recycled

  15. #14Physical OR Chemical Change? • After • Powdery Yellow solid • Before • Two Clear solutions React to Form

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