Pendulum clock

Do you know what a pendulum is? It's like a long stick or a string with something heavy on the bottom, like a ball or a weight.

Now, imagine a clock that has a special pendulum inside of it. This pendulum swings back and forth, just like when you're on a swing and you go backward and forward. But instead of going really high and low, this pendulum stays at the same height and swings in the same direction over and over again.

The tick-tock sound you hear in a clock comes from the pendulum swinging. Every time the pendulum swings to one side, it makes a "tick" sound, and every time it swings to the other side, it makes a "tock" sound.

But how does the pendulum make the clock tell time? Well, the pendulum is connected to the clock's gears and other parts. When the pendulum swings to one side, it moves a gear in the clock, and when it swings the other way, it moves another gear. This movement of the gears makes the clock's hands move forward, telling you what time it is.

So, the pendulum clock works by using a swinging pendulum to move gears and other parts inside the clock, which then make the hands move and tell us the time. Cool, huh?