Adding or removing heat
Phase Changes
Random
100

When a liquid is cooled it becomes what?

What is a solid?

100
Phase change of a solid turning into a liquid
What is melting?
100

TRUE or FALSE: TheMatter cannot be created or destroyed.

What is TRUE.

200
When heat is added to a liquid it becomes what?
What is a gas?
200
Phase change of a solid turning into a gas
What is sublimation?
200
As a solid turns to a liquid it's what happens to the thermal energy.
What is increases?
300
When a gas is cooled it becomes a what?
What is a liquid?
300
Change from a liquid to a solid
What is freezing?
300
What are all molecules always in a constant state of?
What is motion?
400
What must happen for matter to change states?
What is it must gain or lose energy?
400
Phase change of a gas turning into a liquid
What is condensation?
400
What happens when an object's kinetic energy increases?
What is the particles move faster?
500

What is the 4th state of matter that you will learn about more in high school? (Not solid, liquid, or gas)

What is plasma.

500
When heat is added to a liquid and becomes a gas.
What is evaporation?
500

What does a thermometer measure?

What is temperature, or average kinetic energy of the individual particles in a substance.

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