Phase Changes

What is the phase change of a solid to a liquid?

• freezing

• melting

• boiling

• condensation

Change from gas to liquid...

• condensation
• evaporation
• expansion
• movement

Change from Liquid to Solid is called ...

• fusion

• Freezing

• sublimation

• evaporation

Is the substance gaining or losing energy?

• Gaining

• Losing

Are the particles moving faster or slower as time goes on?

• Faster

• Slower

What state/phase is the object likely from points A to B?

• Solid

• Liquid

• Gas

• Plasma

What is happening to the particles in the substance between points D and E?

• Melting

• Freezing

• Vaporizing

• Sublimating

Where on the graph are phase changes taking place?

• 1

• 2

• 3

• 4

• 5

Between which points is the temperature of the substance remaining constant?

• A-B only. 
• A-B, C-D, E-F
• B-C only. 
• B-C, D-E

Which segment represents the liquid phase? 

• 1
• 3
• 4
• 5