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Final Jeopardy
Mixtures
Preventing
Chemical
Change
States of
Matter
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Physical
Properties
Chemical
Changes
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Properties that can be
observed or measured without
changing an object are -
Physical
How a substance feels
is
Texture
Ability of a substance
to be hammered and
bent into sheets is
malleability
The ability of a
substance to float in
liquids is
buoyancy
A cracked egg has gone
through an
Irreversible
Physical Change
A cooked egg is an
example of a
Chemical Change
The chemical changes
that a substance can
go through depend on
its
Chemical
properties
Most energy for
everyday living comes
from what?
Burning coal, gas,
oil
The ability to burn is
Combustibility
Substances that do not
easily go through
chemical changes show
what?
Stability
Combinations of 2 or
more substances not
chemically combined
Mixture
Material made up of
only 1 element or
compound is a
Pure substance
Air is an example of
Gas mixture
A mixture of a solid and
liquid can be separated
by heating called
Distillation
Biologists use spinning
devices to separate
what?
Blood cells from
liquid
Museums display
objects under
_______ _______ to
protect from chemical
changes from light
energy.
dim light
Refrigerating or
freezing foods slows
down chemical changes
by
Removing heat
energy
Galvanized steel is
protected by a layer of
what?
zinc
The element that
protects the Declaration
of Independence is
what?
Helium
These are used to keep
foods fresh, stops
oxidation
Antioxidants
The 4 states of matter
are
Solids
Liquids
Gas
Plasma
The most common state
of matter in the
universe is what?
Plasma
Atoms are bonded or
joined together to form
what?
Molecules
A substance changes
from a liquid to a gas
at its
Boiling point
Certain substances can
change directly from a
solid to a gas in a
process called what?
Sublimation
Make your wager
Final Answer
Final Question