Poor Rudolph's nose has gone out! Father Christmas cannot see him at the front of his sleigh! We need to investigate which bells can be heard the best so Rudolph can wear one on his collar. That way Father Christmas can hear where he is!
Today we investigated which bells could be heard the furthest away. We discussed fair testing. The questions we asked were: Does the same person have to shake the bells? Does the same person have to listen out for the bells?
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