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Mood ring: Quiz


Question 1: A mood ring is a ring which contains a thermochromic element, such as ________.
SolidLiquid crystalPolarization (waves)Optics

Question 2: The ring is typically ornamented with a faux ________ (usually made of quartz or glass) which is either a clear capsule filled with thermochromic liquid crystal, or has a thin sheet of liquid crystal sealed underneath.

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