What can be generated by friction, but can also help you turn on the lights?
Category: Science · Difficulty: easy
Hint: It's what happens when you rub a balloon on your hair.
Answer
Electricity
Explanation
Static electricity is caused by the buildup of electric charge due to friction, and it can create sparks when discharged.
This is an easy science riddle — a good one for children and beginners. The answer is Electricity.
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