Changing State and Internal Energy (F)

When a substance is heated, particles will

• Move further apart

• Get larger

• Move closer together

• Be unaffected

The process when a solid turns into a liquid

• Evaporation

• Sublimation

• Freezing

• Melting

The process when a gas turns into a liquid

• Condensation

• Sublimation

• Freezing

• Evaporation

The process when a liquid turns into a gas

• Evaporation

• Melting

• Condensation

• Deposition

What is the term given to the temperature at which a solid turns into a liquid?

• Boiling point

• Melting point

• Freezing point

• Heating point

What is the term given to the temperature at which a liquid changes to a solid?

• Melting point

• Boiling point

• Sublimation point

• Freezing point

True/False: When a substance changes state, its mass also changes.

• FALSE

• TRUE

If this ice cream scoop melts, what will change?

• color
• shape
• flavor

A puddle of water seemed to disappear. The heat caused the water to -

• melt
• condense
• evaporate
• cool

Which state of matter does ice start as (before you cool it)?

• liquid
• solid
• gas