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Physical Property

Can be observed with the senses or measured without changing the substance. Examples: Melting point Boiling point Color/shape Density Mass. Physical Property. A change that does not involve altering the identity of the substance. Examples: Freezing Melting Boiling Cutting Grinding.

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Physical Property

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  1. Can be observed with the senses or measured without changing the substance Examples: Melting point Boiling point Color/shape Density Mass Physical Property

  2. A change that does not involve altering the identity of the substance Examples: Freezing Melting Boiling Cutting Grinding Physical Change

  3. Relates to a substance’s ability to undergo a change into a different substance Examples: Ability to rust Flammable Ability to react with an acid Decomposes in light Chemical Property

  4. A change where one or more substances is converted into different substances (a chemical reaction) Examples: Rotting Burning Fermenting Cooking Chemical Change

  5. So how do I recognize a chemical change??

  6. So how do I recognize a chemical change?? • Bubbling – production of a gas • Heat • Light • Precipitate – a solid formed during a reaction • Unexpected color change

  7. Chemical change = chemical reaction and is written as Reactants  Products This is what you make This is what you start with

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