Change of state Flashcards
(20 cards)
What is the term for the process of changing from a solid to a liquid?
Melting
True or False: Evaporation is the process of a liquid turning into a gas.
True
Fill in the blank: The process of a gas turning into a liquid is called __________.
Condensation
What do we call the change of state from liquid to solid?
Freezing
Which process involves a solid changing directly to a gas without becoming a liquid?
Sublimation
What is the reverse process of sublimation?
Deposition
True or False: Boiling is a type of evaporation that occurs at a specific temperature.
True
What is the term for the temperature at which a substance changes from solid to liquid?
Melting point
What is the term for the temperature at which a liquid changes to gas?
Boiling point
Fill in the blank: The change of state from gas to solid is known as __________.
Deposition
What is the energy required to change a substance’s state without changing its temperature called?
Latent heat
Multiple Choice: Which of the following is NOT a change of state? A) Melting B) Freezing C) Boiling D) Heating
D) Heating
What is the process of a solid turning into a liquid called?
Melting
True or False: All substances have the same melting and boiling points.
False
What type of change occurs when ice turns into water?
Physical change
Fill in the blank: The energy released when a gas condenses into a liquid is called __________.
Latent heat of condensation
What happens to the molecules of a substance during melting?
They gain energy and move apart.
True or False: Sublimation occurs only under high pressure.
False
What is the name of the process where water vapor turns into liquid water?
Condensation
Multiple Choice: Which change of state involves absorption of energy? A) Freezing B) Melting C) Condensation D) Deposition
B) Melting
