Boiling and Freezing Points Lesson 3: Blow It Up With Butane!

Unit 4: Physical Properties: Molecular Arrangement and Phase Changes
Lesson 12 of 12

Objective: Students will be able to explain how solutes and pressure affect the boiling/freezing points of liquids and be able to describe the energy transfer that occurs during phase changes.

Big Idea: These lessons have text strategies, writing instruction, discussion techniques, and science content! Students blow up a bag with butane, make water boil at 50 degrees, and make water freeze instantaneously as they explore physical properties!

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Subject(s):
Science, boiling point (Chemistry), Solute, Mixtures and Solutions, dissolving, freezing point (Mixtures and Solutions), Freezing, boiling, Matter and its Properties, Polymer / Industrial / Environmental Chemistry, Boiling Points, physical properties, middle school, endothermic, exothermic, pressure, discussions, discourse, evaporation, Scientific Literacy, molecule
  95 minutes
blow it up with butane
 
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