Chemical and Physical Properties & Physical and Chemical Changes.
Physical and Chemical Changes
description
Transcript of Physical and Chemical Changes
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Physical and Chemical ChangesA Write On Activity
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Objective: Chemical/Physical Change: Differentiate The learner will be able to
(ESSENTIAL) distinguish between a physical and chemical change.
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Matter Matter is everywhere. Matter is anything that takes up
space and has mass. Matter is constantly experiencing
both chemical and physical changes.
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Physical Change Physical changes occur when
matter changes its property but not its chemical nature.
Physical property changes could include a change in: texture, shape, size, color, odor, volume, mass, weight, and density.
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Physical Change
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Chemical Change Chemical changes are changes
matter undergoes when it becomes new or different matter.
To identify a chemical change look for signs such as color change, bubbling and fizzing, light production, smoke, and presence of heat.
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Chemical Change A chemical change
occurs when fireworks are used. Fireworks are made of metals such as magnesium and copper. These change chemically as they light up the sky.
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Is it a chemical or physical change? Sugar dissolving
in tea
•Chemical Change
•Physical Change
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OOPS!Did it change size, color, shape (Physical
Change)?or
Did it become different matter (Chemical Change)?
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Correct!
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Is it a chemical or physical change? Logs burning
•Chemical Change
•Physical Change
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OOPS!Did it change size, color, shape (Physical
Change)?or
Did it become different matter (Chemical Change)?
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Correct!
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Is it a chemical or physical change? Breaking water up by
separating it into hydrogen and oxygen•Physical Change
•Chemical Change
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OOPS!Did it change size, color, shape (Physical
Change)?or
Did it become different matter (Chemical Change)?
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Correct!
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Is it a chemical or physical change? Cutting paper
•Chemical Change
•Physical Change
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OOPS!Did it change size, color, shape (Physical
Change)?or
Did it become different matter (Chemical Change)?
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Correct!
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Is it a chemical or physical change? Crushing an
aspirin
•Chemical Change
•Physical Change
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OOPS!Did it change size, color, shape (Physical
Change)?or
Did it become different matter (Chemical Change)?
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Correct!
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Is it a chemical or physical change? Metal rusting
•Chemical Change
•Physical Change
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OOPS!Did it change size, color, shape (Physical
Change)?or
Did it become different matter (Chemical Change)?
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Correct!
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Is it a chemical or physical change? Lighter fluid
burining
•Chemical Change
•Physical Change
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OOPS!Did it change size, color, shape (Physical
Change)?or
Did it become different matter (Chemical Change)?
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Correct!
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Is it a chemical or physical change? An egg rotting
•Chemical Change
•Physical Change
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OOPS!Did it change size, color, shape (Physical
Change)?or
Did it become different matter (Chemical Change)?
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Correct!
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Is it a chemical or physical change? An egg breaking
•Chemical Change
•Physical Change
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OOPS!Did it change size, color, shape (Physical
Change)?or
Did it become different matter (Chemical Change)?
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Correct!
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Writing Activity Write a paragraph about the
difference between a chemical and physical change. Give examples of each.