MindMap Gallery Changes in physical state
This is a mind map about changes in the state of matter, summarizing melting and solidification, Vaporization and liquefaction, measurement of three-state temperatures of substances, Sublimation and sublimation, etc.
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Avatar 3 centers on the Sully family, showcasing the internal rift caused by the sacrifice of their eldest son, and their alliance with other tribes on Pandora against the external conflict of the Ashbringers, who adhere to the philosophy of fire and are allied with humans. It explores the grand themes of family, faith, and survival.
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Changes in physical state
three states of matter temperature measurement
Three states of matter: solid, liquid and gaseous
temperature measurement
Temperature indicates how hot or cold an object is
Unit of temperature: degrees Celsius (℃)
Tools: Thermometer
Classification
Experimental thermometers, thermometers, thermometers
principle
Thermal expansion and contraction
Instructions
melting and solidification
melt
Definition: A substance changes from a solid state to a liquid state
Features: heat absorption
Crystal (melting point)
Ice, sea waves, various metals
Amorphous
wax, rosin, glass, asphalt
Melting image: reaches the melting point, continues to absorb heat, internal energy increases, and the temperature remains unchanged
solidification
Definition: Substance changes from liquid to solid
Features: heat release
Crystal (freezing point)
Amorphous
Freezing image: When the freezing point is reached, heat continues to be released, the internal energy decreases, and the temperature remains unchanged.
Vaporization and liquefaction
liquefaction
Definition: Substance changes from gaseous to liquid state
Features: heat release
method
Reduce the temperature
Compressed volume
Features: dew, fog, "white steam", etc.
Vaporization
Definition: Substance changes from liquid to gaseous state
Features: heat absorption
Way
evaporation
Cooling and cooling
Influencing factors
liquid temperature
Liquid surface area size
How fast air flows on the surface of a liquid
boiling
condition
reach boiling point
Constantly absorbing heat
The temperature does not change, but it still needs to absorb heat
sublimation and sublimation
sublimation
Definition: Substance changes directly from solid to gaseous state
Features: heat absorption
Typical examples: frozen clothes dry out, etc.; filament becomes thinner; iodine sublimates
Sublime
Definition: Substance changes directly from gaseous state to solid state
Features: heat release
Typical examples: frost, rime, etc.