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Science Ch.7

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PRESENTATION OUTLINE

SCIENCE

chapter 7 lesson 1

THE THREE STATES OF MATTER

STATES OF MATTER ARE SOLID, LIQUID,AND GAS.THE FOURTH ONE IS PLASMA
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MELTING POINT

M
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BOILING POINT

the state change for boiling point is solid to liquid. Boiling point is the temperature at which liquid rapidly changes to a gas
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FREEZING POINT

The state change for freezing point is liquid to solid. Freezing point is a substance is the same as melting point.

EVAPORATION

during evaporation , the fastest particles on a surface of the liquid escape into the air and becomes a gas.
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SUBLIMATION

A sublimation is a solid that changes to a gas.Dry ice changes into fog.
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