#24 - Concept Reference, Must Be True

[demk26]

Hi Kelsey,

I see now why, based on the support in the text, the glass behaves like a solid (due to its physical properties), even though it has the atomic structure of a liquid.

Is Answer (C) incorrect because if the glass were heated to the glass transition temperature, it would no longer behave like a solid, but instead like a liquid? Because it only behaves like a solid when it is "cooled below the lower end of this range"?

I'm still having trouble seeing why (D) is the best answer choice in this case. Is it saying that when glass is heated to the glass transition temperature, it will begin behaving like a liquid (i.e. flowing downward under its own weight)?

Thanks so much for your help!

[Adam Tyson]

You got it, demk26! Your analysis of both of those answers is correct. C is wrong because once it is heated to its transition temperature, glass behaves like a liquid, not a solid. D is correct for that same reason. Good work!