I jump between spaces, invisible yet powerful, igniting change where none existed. What am I?

Category: Science · Difficulty: medium

Hint: Look for sudden energy moving through air gaps.

Answer

An electrical discharge spark

Explanation

Electrical sparks occur when electricity jumps through the air, causing a brief luminous flash and heat.

This is a medium science riddle — a moderate challenge for most people. The answer is An electrical discharge spark.

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