Marble-sized, powerful magnetic balls sold at Walmart are being recalled after the U.S. Consumer Product Safety Commission said they are an ingestion hazard. The Relax 5mm Science Kit, Large Hematite ...
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6 Experiments With Magnet
In this video I show you 6 experiments with magnets: 1. Apples and magnet. For this experiment you need to build suspension from chop sticks. Put 2 apples at opposite ends of the stick and after that ...
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