Properties of Matter - science with ms. hall -...
Transcript of Properties of Matter - science with ms. hall -...
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Warm-Up What is matter? 2 complete sentences (or more)
You can also write what is NOT
matter!
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Properties of Matter
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What is a Property?
Property – characteristic that enables us to
distinguish one kind of matter from another
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Physical Properties A physical property can be observed or
measured without changing the
identity of the substance
Examples:
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Extensive Properties
Extensive – depends on the amount of
matter present
Examples:
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Intensive Properties
Intensive – does NOT depend on the
amount of matter present
Examples:
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Chemical Properties A chemical property refers to the ability of a
substance to combine with or change into one or more other substances
Examples:
These properties cannot be observed without changing the substance!
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New Vocabulary…
Quantitative – a
numerical description
of a substance
Qualitative – a description
of a substance that does
NOT include a number
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…And There’s More…
Solubility – the maximum
amount of solute that will
dissolve in a given amount
of solvent at a given
temperature and pressure
Stability – the tendency of
a material to resist
change or decomposition
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…Last Two!
State/Phase of Matter –
the physical forms in
which all matter naturally
exists on Earth
Density – a ratio that
compares the mass of an
object to its volume
Density of water = 1 g/mL
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Physical Changes
Physical Change – a change in a property of
matter that does NOT result in a change in
identity of the substance
Examples:
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Chemical Changes
Chemical Change – a change in which the
composition and properties of a substance
change, altering the identity of the substance
(also called a chemical reaction)
Examples:
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Evidence
Formation of a gas or precipitate
Change in color
Change in temperature
Change in odor
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Law of Conservation of Mass Mass is neither created nor destroyed
during a chemical reaction; it is conserved
Antoine Lavoisier
Example: https://www.youtube.com/watch?v=_Y1alDuXm6A
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Game Time! Stations 1 & 2
Stations 3 & 4
Stations 5 & 6
Stations 7 & 8
Stations 9 & 10
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Questions? If you don’t have any, I will