Vocab/States of Matter
Vocab/Phase Changes
Questions
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100
The state of matter where molecules are spread very far apart.
Gas
100
The process matter undergoes when it turns from a liquid to a gas slowly
evaporation
100
What is an example of condensation?
dew on the ground
100
What could you do to change the volume of a gas?
Change the temperature, take the lid off the container
200
The state of matter where molecules are close but can slide past each other.
Liquid
200
The process matter undergoes when it turns from a liquid to a gas quickly
boiling
200
What is an example of sublimation?
Frost on the window
200
How do evaporation and boiling differ?
Evaporation occurs only on the surface of the liquid, whereas boiling occurs over the large mass of the liquid.
300
Solid.
300
The process matter undergoes when it turns from a gas to a liquid.
condensation
300
How does heat change the movement of molecules in a substance?
speeds them up
300
Which state of matter will take both the volume and shape of the container that holds it?
liquid
400
The process matter undergoes when it turns from a liquid into a solid.
freezing
400
The process matter undergoes when it turns from a gas to a solid.
deposition
400
When substances change states does the mass change?
the mass stays the same but the weight can change
400
What does the kinetic theory of matter state?
The kinetic theory of matter states that all matter is made of tiny particles that are in constant motion.
500
The process matter undergoes when it turns from a solid to a liquid.
melting
500
The process matter undergoes when it turns from a solid to a gas.
sublimation
500
What happens to particles as they move from a liquid to a gas?
They vibrate quicker.
500
Describe what happens to the particles of a substance when it changes from a gas to a liquid to a solid.
The particles of a substance change from being tightly packed in a solid, to flowing past each other in a liquid, and then moving freely in a gas as temperature increases.