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efinn

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efinn

Air

I totally understand the first answer to my question but how can i make it understandable to an eight year old. I think that he won't understand the concept of refraction. He does understand about...
03:36 Sun 10th May 20093 answers, last by NiceCupOfTea 03:16 Thu 14th May 2009
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efinn

Air

Why can't air be felt or seen?
02:56 Sun 10th May 20091 answer, last by Buenchico 03:09 Sun 10th May 2009

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