| Front | What rules do magnetic field lines obey? |
| Back | They always go from north to south (indicated by an arrow midway along the line).They never touch or cross other field lines. |
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| Front | What two methods are used to identify magnetic field lines? |
| Back | 1. Iron filings sprinkled over paper2. Plotting field lines with a plotting compass |
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| Text | A magnet can only {{c1::repel}} another magnet. |
| Back Extra | (This can be a useful test for a magnet) |
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