Download - Physical Property

PHYSICAL PROPERTY

Sara Almuresi and Gufran and Amatallah and Hussain

10/22/2013

4th

What is a physical property?

• A physical property is a characteristics that can be observed or measured without changing the sample’s composition.

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Examples of physical properties are:•Color• Smell• Freezing point• Boiling point• Melting point•Density

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What are physical changes?

•Physical changes are concerned with energy and states of matter. A physical change does not produce a new substance. Examples of physical changes include crushing a can, melting an ice cube, and breaking a bottle.

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THE DIFFERENCE BETWEEN PHYSICAL AND CHEMICAL

CHANGES

•Chemical change is any change that results in the formation of new chemical substances. However, Physical change rearranges molecules but doesn't affect their internal structures.

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Example of Physical Changes

•crumpling a sheet of paper

http://www.google.com/url?sa=i&source=images&cd=&cad=rja&docid=KFphmiXWP1RSQM&tbnid=Hxk54NwbQpC5cM:&ved=0CAgQjRwwAA&url=http://ashfather.blogspot.com/2009/02/crumbling-paper-balls.html&ei=5zloUtzAH5LiyAG_94DQCA&psig=AFQjCNHkb2JkaGxKDDylWr5KonYhtOFMXw&ust=1382648679552955

Another example of physical change

•Mixing juice and water together

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Example of a chemical change

•Burning wood

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=6znK-jnDD0QWRM&tbnid=27Lg8qnQ6XB64M:&ved=0CAUQjRw&url=http://greenbuildingelements.com/2012/01/16/are-wood-burning-stoves-good-or-bad/&ei=8z1oUtalO8qCyQGs8YCgBQ&bvm=bv.55123115,d.aWc&psig=AFQjCNF4D7tw4sHwKN-bPUd3AMnYII8x8g&ust=1382649675428777

Another example of a chemical change

•Mixing a vinegar with baking soda

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VIDEO

? Physical and Chemical Changes - YouTube.url

Any Questions?

•What were the six examples in the third slid that explained what a physical property is?

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