I am the principle that governs the flow, from hot to cold, I move slow. What am I?
Category: Science · Difficulty: hard
Hint: I involve the study of heat and energy transfer.
Answer
Heat Transfer
Explanation
Thermodynamics focuses on energy changes and the laws governing heat transfer and work done in systems.
This is a hard science riddle — a tricky one that takes a little thought. The answer is Heat Transfer.
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