Vocabulary - Mixtures, Solutions, And Suspensions

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Vocabulary
STUDENT RESOURCE 5.1
INFORMATION SHEET
mixture a combination of two or more
suspension a mixture in which solid
substances that can be separated by
particles are suspended in a liquid
physical means
After a rain, a pond might look
Bird seed is a mixture. You can
muddy instead of clear. Mud particles
separate the mixture into the different
are larger than water molecules, so
types of seeds it contains. A saltwater
these particles and water don’t form a
solution is a mixture, too. The salt
solution. They form a suspension. After a
can be separated from the water by
while, the particles will settle out of the
evaporating the water. Both these
water.
methods of separation are physical
methods because the identity of the
items separated does not change.
solution a mixture in which one
substance is spread out so evenly in
another substance that you can’t tell the
substances apart
Sugar dissolved in water is a
solution. The sugar molecules are evenly
spread throughout the water. The sugar
and water molecules are so small, you
can’t tell them apart.
CHEMISTRY • SECTION 5 MIXTURES, SOLUTIONS, AND SUSPENSIONS •

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