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13 terms

science 8 Transformation Unit: Physical Changes

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Physical Change
The change in physical form such as size, shape, color, or state of matter.
Physical Change
It can either be endothermic or exothermic.
Boiling point
The temperature at which liquid turns to gas.
Freezing point
The temperature at which liquid solidifies.
Vaporization
The phase when liquid transforms to gas.
The particles with lots of energy are able to break free and escape.
2 types of vaporization:
a.) evaporation
b.) boiling
Solidification
The phase when liquid transforms to solid.
The particles becomes more closely clumped together.
Melting
The phase when solid transforms to liquid.
The particles become more spread apart.
Endothermic
Absorption of energy
Exothermic
Release of energy
100ºC
Boiling point of water under normal condition
0ºC
Freezing point of water under normal condition
A - GAS
B - LIQUID
C - SOLID
A - The liquid water has turned to GAS.
B - The ice has turned to LIQUID.
C - The liquid water has turned to SOLID (ice)
A - Vaporization
B - Sublimation
C - Melting/Fusion
D - Condensation
E - Freezing/Solidification
A - Liquid to Gas
B - Solid to Gas
C - Solid to Liquid
D - Gas to Liquid
E - Liquid to Solid