There are numerous terms used to describe the transformation of a material from one phase to another. These terms may be conveniently organized around a graphic the shape of a triangle. Duration: 5:19.
VIDEO CHECK QUESTIONS
2.12a Should you add heat or take heat away in order to cause a material to freeze?
2.12b A freezer takes heat away from water causing it to freeze into ice. Where does this heat go?
2.12c It takes heat to cause water to evaporate from your skin. Where might this heat come from?
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