Phase Changes Ch 1-2 Review

the smallest unit of an element

• atom
• condensation
• evaporation
• freedom of movement
• freezing

the change of a substance from a gas to a liquid

• condensation
• atom
• evaporation
• freedom of movement
• freezing

the change of a substance from a liquid to a gas

• evaporation
• atom
• condensation
• freedom of movement
• freezing

the way molecules in a substance move around relative to each other

• freedom of movement
• atom
• condensation
• evaporation
• freezing

the change of a substance from a liquid to a solid

• freezing
• atom
• condensation
• evaporation
• freedom of movement

a state of matter with no definite shape or volume

• gas
• atom
• condensation
• evaporation
• freedom of movement

the energy that an object has because it is moving

• kinetic energy
• atom
• condensation
• evaporation
• freedom of movement

a state of matter that has no definite shape but has a definite volume.

• liquid
• atom
• condensation
• evaporation
• freedom of movement

change of a substance from a solid to a liquid

• melting
• atom
• condensation
• evaporation
• freedom of movement

a pull between two molecules that is always the same for a substance

• molecular attraction
• atom
• condensation
• evaporation
• freedom of movement