Phase Change Lab Boiling Water Lab.

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Presentation transcript:

Phase Change Lab Boiling Water Lab

Boiling Water Graph Liquid water was vaporizing into a gas Boiling Point ***Flat spots on the graph are:_________________ Liquid water was gaining energy ***Angles on the graph are the:______________ Solid Water was melting into a liquid

Graphing Phases & Phase Changes Note: When the line is an angle, the substance is a “phase” And when the line is flat, the substance is “changing phase” Vapor Vapor Evaporation /Boiling Condensing Liquid Liquid Melting Freezing Solid Solid

Why does the graph change? Q: What is the one big reason why the phases change? A: Energy either increasing or decreasing! Energy increasing Energy decreasing

Graphing Phases & Phase Changes Gas Phase Liquid Phase Solid Phase