Collatz Conjecture in Scratch

It’s not the first time I have extolled the virtues of Scratch. It is a fantastic platform by which people can be introduced into programming. I fancied doing something creative this evening and playing about in Scratch. I was going to make a little game but then I thought about illustrating an aspect of the Collatz conjecture in Scratch.

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Housing Hedgehogs

Hedgehogs are adorable little creatures. I acknowledge that all of God’s creation deserves awe and respect and that it’s important to appreciate that every species has a valid role to play in our ecosystem. But hedgehogs, well, they’re lovely aren’t they? Sadly they’re endangered in the UK so I set about to help out some of these prickly little friends.

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Sheepdog Trials

I have been interested in chaos for a long time. I like swarms – they are chaotic. Each individual in a swarm has a very simple set of rules to follow but overall, the swarm seems to move in a coordinated fashion. As such, I wanted to provide a simple and visual explanation of swarm behaviour that was accessible for people to interact with – MIT’s Scratch seemed the ideal platform then.

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Message into Space

I run an after-school code club, which is attended by pupils from a few different year groups. I am impressed by what a team of four girls have achieved (aged 11-13). They’ve written code in Python that will run on a Raspberry Pi in the International Space Station (ISS) next year.

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Micro:Bit Code Sample

The Micro:bit website is an awesome place to start learning to code. You can create your own programs such as a digital compass through to mini-games. I’ve included an example here. It’s very simple and the Micro:bit has a lot more capabilities that can be used (compass, radio, bluetooth, accelerometer etc.)

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