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Quick TrainerStates of Matter and Phase Changes
Learn the states of matter and the terms for every phase transition between them.
Science27 items3 levelsDifficulty 2/5
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Levels
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1
States of Matter
6 items
2
Common Phase Changes
10 items
3
Advanced Terms & Concepts
11 items
All 27 cards
What state of matter has a fixed shape and fixed volume?
solid
What state of matter has a fixed volume but takes the shape of its container?
liquid
What state of matter has no fixed shape or volume and expands to fill its container?
gas
What hot, ionized state of matter is made of free electrons and ions?
plasma
In which state are particles packed tightly in a fixed, ordered arrangement?
solid
Which state of matter is the most common in the universe (stars)?
plasma
The change from solid to liquid is called?
melting
The change from liquid to solid is called?
freezing
The change from liquid to gas is called?
vaporization
The change from gas to liquid is called?
condensation
The change directly from solid to gas (no liquid) is called?
sublimation
The change directly from gas to solid (no liquid) is called?
deposition
The temperature at which a solid melts into a liquid is the?
melting point
The temperature at which a liquid boils into a gas is the?
boiling point
At what temperature in Celsius does water freeze (at sea level)?
0
At what temperature in Celsius does water boil (at sea level)?
100
What is the process of a gas turning into a plasma called?
ionization
What is the process of a plasma turning back into a gas called?
recombination
Vaporization that occurs only at the surface of a liquid below its boiling point is called?
evaporation
What is the energy absorbed or released during a phase change (at constant temperature) called?
latent heat
The latent heat absorbed when a solid melts is the heat of?
fusion
The latent heat absorbed when a liquid vaporizes is the heat of?
vaporization
On a phase diagram, the point where solid, liquid, and gas coexist is the?
triple point
The point beyond which liquid and gas become indistinguishable is the?
critical point
What ultra-cold state of matter forms when atoms reach near absolute zero?
Bose-Einstein condensate
During a phase change, does the temperature of a substance increase, decrease, or stay constant?
stay constant
Solid carbon dioxide (dry ice) changes to gas by what process?
sublimation
Keep going
Periodic Table
Every element's symbol and name — all 118, from hydrogen to oganesson.
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Common Acids and Bases
Match chemical formulas to the names of everyday acids and bases.
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