Miss Smith’s G+T Science Club Week 3

It was a lovely sunny afternoon for Science club today. Therefore, we were able to work outside. (Sorry for all the noise outside your window Mr Carter!)

First we were give a problem.

Headteacher of Startown Primary School, Mrs Teachem, narrowly avoided a collision with a pupil who stepped into the road in front of her car at the entrance to the school. “He didn’t even hear the horn with that hoodie over his ears. Perhaps I should ban hoodies.”

We were investigating which materials/items of clothing were the best and worst sound insulators. Can you explain how we carried out the investigation and how we kept the test fair?

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What did you find out? Which let the most sound through? Which was the best sound insulator?

Good sound insulators are bad in terms of safety. How could you use your results to improve road safety?

When might people need good sound insulation to protect their ears?

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