Last week we did a very messy experiment, we used a funnel, a balloon, a spoon, some flour, a pin and a stopwatch.
We scooped the flour into the funnel with a spoon, the flour from the funnel went into the balloon. We blew up the balloon and then tied it in a knot.
In this picture you can see a blown up balloon, you can see flour in the bottom of the balloon.
There were half of us at one end and the other half at the other side of the playground. One half had a stopwatch and the other half had the balloons with the flour in.
This is me popping a balloon with flour inside it got all over my jumper it was very fun to pop. My partner was timing me as I popped it it took 0.0119 seconds for the sound to travel to the bottom of the playground.
I decided to pop the balloon on my head and my mum did not get angry luckily. When I got home everyone laughed.
Some people were going to get covered in flour, some people like me used a stopwatch to time the massive flour explosion. We did the messy experiment in the school playground. Here are the results of how long it took for the sound to come to you: the quickest time was done in 0.0050 milliseconds!
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