Lesson-1A-Properties-of-Matter and chemistry

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Chapter 2
Matter and Change
Properties of Matter
In this lesson, you will
learn how properties
can be used to classify
and identify matter.

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What is matter?
Anything made of particles. It has mass
and volume (takes up space). Matter can
be in the form of a solid, liquid, or gas.

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Matter or NOT
MATTER?
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•Time
•Sound
•Sunlight
•Rainbow
•Love
•Thoughts
•Gravity
•Microwaves
•Heat
•Memories
•Information
•Reflections
•Energy

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Properties used to describe matter can be
classified as extensive or intensive
properties.
Describing Matter

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Concept Map

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Extensive and Intensive
Property
An extensive propertyof a material depends
upon how much matter is being considered
(mass or volume)
An intensive property of a material does not
depend upon how much matter is being
considered (temperature or density).
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Extensive and Intensive
Property
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Intensive or Extensive?
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Intensive or Extensive
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Matter that has a uniform and definite
composition is called a substance.
•Aluminum and copper are examples of
substances, which are also referred to as
pure substances.
Identifying a Substance
Describing Matter

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Every sample of a given substance
has identical intensive properties
because every sample has the same
composition.
Identifying a Substance
Describing Matter

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Glass is often used to make windows,
while copper is often used in electrical
wires. What properties of glass make it
a desirable material to use for
windows?
CHEMISTRY&YOU

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Glass is often used to make windows,
while copper is often used in electrical
wires. What properties of glass make it
a desirable material to use for
windows?
Glass is transparent, so it can be seen through;
hard, so it stays in place within window frames;
and heat resistant, so it helps prevent the
transfer of heat between outside and inside.
CHEMISTRY&YOU

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You want to compile a list of
properties of a substance, but you
don’t have a way to measure mass or
volume. What kinds of properties can
you determine without knowing the
amount of matter in the sample?

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You want to compile a list of
properties of a substance, but you
don’t have a way to measure mass or
volume. What kinds of properties can
you determine without knowing the
amount of matter in the sample?
You can determine the sample’s intensive
properties.

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