When cold, I shrink and crack with ease; warmed, I stretch without reprieve. What am I?
Category: Knowledge · Difficulty: hard
Hint: Consider how temperature affects fragile surfaces.
Answer
A brittle glass material
Explanation
Certain glass materials contract and become brittle when cold, leading to cracks, but they expand and stretch slightly when warmed, unlike metals or fabrics.
This is a hard knowledge riddle — a tricky one that takes a little thought. The answer is A brittle glass material.
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