I move in cycles yet don't advance, you see me often, in your daily glance. What am I?

Category: Science · Difficulty: medium

Hint: Think about something that marks time while swinging back and forth.

Answer

A pendulum

Explanation

A pendulum swings in a consistent path and is often used in clocks to help measure time intervals.

This is a medium science riddle — a moderate challenge for most people. The answer is A pendulum.

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