I can fill the room without a sound, yet I'm the reason you feel warm all around. What am I?
Category: Science · Difficulty: medium
Hint: Consider forms of energy that transfer heat.
Answer
Infrared radiation
Explanation
Infrared radiation is a type of energy that we feel as heat; it travels through space without sound.
This is a medium science riddle — a moderate challenge for most people. The answer is Infrared radiation.
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