How to Make a Magnetic Compass at Home | science projects | science experiments

RV TUTORIALS
RV TUTORIALS
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Welcome to RV TUTORIALS
      In this video I am going to explain how to make a magnetic compass using sewing needle.

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1) how to make a compass with needle
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4) how to make a magnetic compass
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4 سال پیش در تاریخ 1399/05/17 منتشر شده است.
62,228 بـار بازدید شده
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