Solids, Liquids & Gases
Adding or removing heat
Phase Changes
Vocabulary
Random
100

Has a definite volume but not a definite shape

What is a liquid?

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

Anything that has mass and takes up space

What is matter?

100

The 4 states of matter we discussed in class

What is solid, liquid, gas and plasma?

200
Has a definite shape and volume
What is a solid?
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
A group of atoms held together by chemical bonds
What are molecules?
200
As a solid turns to a liquid it's what happens to the thermal energy.
What is increases?
300

In what state do molecules move extremely quickly and bounce off each other

What is a gas?

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
A liquid's resistance to flow
What is vicosity?
300
What are all molecules always in a constant state of?
What is motion?
400

Another name for the states of matter

What are phases of matter?

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
A solid with particles arranged in a repeating 3-D pattern?
What is a crystalline solid?
400
What happens when an object's kinetic energy increases?
What is the particles move faster?
500

An unusual state of matter found in the sun and stars

What is plasma?

500

Thermal energy is removed from a substance

What is exothermic?

500
When heat is added to a liquid and becomes a gas.
What is evaporation?
500
A solid with particles placed randomly.
What is an amorphous solid?
500

d= m/v

What is the formula for density?

M
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