Physical and chemical changes
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Physical and Chemical Changes PowerPoint PPT Presentation


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Physical and Chemical Changes. Change is all around!!!!. Physical property – a characteristic that can be measured or detected by the senses. Physical Change. Physical change – a change in the size, shape, or state of matter with no new matter being formed.

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Physical and Chemical Changes

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Physical and chemical changes

Physical and Chemical Changes

Change is all around!!!!


Physical property a characteristic that can be measured or detected by the senses

Physical property – a characteristic that can be measured or detected by the senses.


Physical change

Physical Change

  • Physical change – a change in the size, shape, or state of matter with no new matter being formed.

  • The substances may be changed to another phase (i.e. gas, liquid, solid) or separated or combined.


Physical change1

Physical Change

  • Examples:

  • when ice melts

  • when sulfur is mixed with iron filings.

  • breaking a glass

  • dissolving sugar in water

  • Cutting a piece of paper or wood


Common examples of physical change

Common Examples of Physical Change

1.ripped paper2.boiling water3.pumping oil4.smashing your car5.shattering a light bulb6.sharpening a pencil7.freezing water8.cutting iron9.rising of bread dough10.melting iron


Physical and chemical changes

  • Chemical property – the ability or tendency of a material to change its chemical makeup.


Chemical change

Chemical Change

  • Chemical change – a change in matter that results in new substances being formed.

  • A chemical change is irreversible.

  • Chemical reaction- a reaction happens when two or more molecules interact and the molecules change.


Chemical change1

Chemical Change

  • Examples:

  • Magnesium wire burns producing white ash of MgO

  • When Zinc is combined with Hydrochloric Acid

  • When food is metabolized in the body

  • Burning a piece of paper or wood


Common examples of chemical change

Common Examples of Chemical Change

1.rusting of iron2.exploding of dynamite3.digestion of food4.moldy cheese5.souring milk6.reaction of chlorine with sodium7.wood rotting8.flammability9.things that react with water to form a gas10.things that react with a base to form water


You are now ready to play

You are now ready to play

“Name That Change!”

How To Play

For each item, you will need to tell whether a physical or a chemical change has taken place!


Physical and chemical changes

physical


Physical and chemical changes

chemical


Physical and chemical changes

physical


Physical and chemical changes

physical


Physical and chemical changes

chemical


Physical and chemical changes

physical


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