9.01.5 Keywords

· State of matter (or phase) – solid, liquid or gas

Melting – change from Solid to Liquid

· Freezing – change from Liquid to Solid

· Evaporating – surface of a liquid turning to gas (at any temperature)

· Boiling – all the liquid turning to gas at the same time (only at boiling point )

· Condensing – change from Gas to Liquid

· Subliming – change from Solid to Gas without melting

· Melting/Freezing Point – the temperature a solid starts to melt or the same liquid starts to freeze

· Boiling/Condensing Point – the temperature a liquid starts to boil or the same gas starts to condense

· Bond – strong force between particles

· Sphere – ball shape

· Inelastic Sphere – ball shape that can’t change shape