Welcome to practical physicsPracticle physics - practical activities designed for use in the classroom with 11 to 19 year olds

Iron filings

The use of iron filings 
1 The filings should not be 'dust' but should have one dimension longer than the other two. 
2 The 'pepper pot' shaker must have holes large enough to allow the filings of this size to pass through. It can be improvised from a film can from holes through the plastic lid. 
3 Iron filings can ruin sinks. It is wise to cover all sinks in the lab before issuing iron filings.


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