Vocabulary - Properties Of Matter
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Vocabulary
STUDENT RESOURCE 1.1
INFORMATION SHEET
boiling point the temperature at which a
property a characteristic of matter that
liquid becomes a gas
can be used to identify it
Boiling point is a property that is
If you described water, you might
different for each substance. The boiling
say that it is a colorless, odorless liquid.
point of oxygen is low because oxygen is
You might mention its melting point and
a gas at room temperature.
boiling point. All these characteristics
are properties of water.
conductivity a property that shows how
easily heat or electricity fl ows through
solubility a measure of how easily one
matter
substance dissolves in another substance
Metals are good conductors because
When you add sugar to iced tea, the
both heat and electricity fl ow easily
sugar dissolves. If you keep adding sugar,
through them. Plastic and glass have
eventually no more sugar dissolves. The
poor conductivity because heat and
amount of sugar dissolved at this time
electricity don’t fl ow easily through
and the volume of tea can be used to
them.
fi nd the solubility of sugar in water.
melting point the temperature at which
a solid becomes a liquid
An icy road becomes wet when the
temperature of the road rises to the
melting point of water. Melting point is
the same temperature as the freezing
point, where a liquid becomes a solid.
CHEMISTRY • SECTION 1 PROPERTIES OF MATTER
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