I can flow without being seen, power without being touched, and cause sparks of excitement. What am I?

Category: Science · Difficulty: hard

Hint: Think of what powers your devices.

Answer

Electricity

Explanation

Electricity is the flow of electric charge, which powers devices and can create sparks when discharged.

This is a hard science riddle — a tricky one that takes a little thought. The answer is Electricity.

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