Year 3 Forces

Last week Year 3 experimented with different surfaces on a slope. We wanted to find out which surface had the most friction for a toy car. Most of our results were as expected. The table top without a covering had least friction. The paper covering had more friction and the cloth had more still. We were however surprised to discover that the toy cars found it hard to roll down a surface covered in tin foil. We have a theory about this but we are not sure.

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