Here are some pictures of us collecting data on which were the strongest magnets.
Before we started, we predicted that the biggest magnet would be the strongest, and the smallest magnet would be the weakest...
We collected data by attaching paperclips to different sized magnets, and recorded how many paperclips each magnet could hold. It was quite tricky to get the paperclips to sit properly in a chain without sticking together in a lump.
We were correct in our prediction that the smallest magnet was the weakest, but we discovered that the biggest magnet was not the strongest. The middle-sized magnet was actually the one that could hold the most paperclips.
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