5M’s Pendulum Experiment

We were investigating how a pendulum works. We discussed different types of pendulums (swings, a clock and a metronome). Using string and keys, as a weight, we created our very own! We wanted to find out what would make our pendulum swing longer. We changed the amount of keys to test the weight and used different lengths of string to see if this had an impact on the amount of swings, using a stopwatch to record how long it took for the pendulum to stop swinging. We concluded that the heavier the weight, and the longer the string, the longer the pendulum would swing!
We then tried to challenge ourselves by adding the perfect size of paper to affect the air resistance, to make our pendulum stop at EXACTLY 30 seconds – the closest we got was 30.08s!

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