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Physical and Chemical Properties and Changes

Physical and Chemical Properties and Changes. Physical Properties : The characteristics of a substance that can be observed without changing the identity of the substance. Chemical Properties : Chemical properties describe how substances can form new substances. Physical Change:

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Physical and Chemical Properties and Changes

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  1. Physical and Chemical Properties and Changes

  2. Physical Properties:The characteristics of a substance thatcan be observed without changing the identity of the substance.

  3. Chemical Properties:Chemical properties describe how substances can form new substances.

  4. Physical Change: Physical change is a change that in the physical properties of a substance but, does not change the identity of the substance.

  5. Clues of Physical Changes: A change in shape. A change in size. A change in the state or phase of matter. Dissolving Sometimes a color change. Melting, freezing, boiling, evaporation, condensation, and sublimation. Physical Changes

  6. Scientific Terms • Malleability • Ductility • Luster • Solubility • Viscosity • Buoyancy • Density • Mass • Volume

  7. Examples of Physical Changes: • Ice melting • A pencil sharpened • Water boiling • The formation of dew • Dissolving Kool-Aid • A candle melting

  8. Examples of Physical Changes:

  9. Chemical Change: Chemical change is the change of one substance into another substance.

  10. Clues of Chemical Changes: Foaming, fizzing. A change in odor. Rapid production of heat, light, or sound. Color change. Formation of precipitate. New substance formed. Chemical Changes

  11. Scientific Terms • Flammability • Combustibility • Oxidation • Reactivity

  12. Examples of Chemical Changes: • Photosynthesis • Fireworks exploding • Yeast bread rising • A bike rusting • Antacid dissolved in water • Anything burning • Rotting food • Silver tarnishing

  13. Examples of Chemical Changes

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