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# Magnet ab

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Magnet on balance c
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# Magnet ab

weight of a magnet

weight of a magnet

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### Magnet ab

1. 1. Magnet On A Balance Mars Here We Come • Sofia Panzavolta • Greta Saccenti • Bente Dossche • Lore Claerhout • Sara Deschepper
2. 2. De Bron, Tielt Belgium • Sara Deschepper • Lore Claerhout • Bente Dossche Liceo linguistico “Ilaria Alpi” • Sofia Panzavolta • Greta Saccenti
3. 3. Materials: • Kitchen balance • 2 magnets • Ruler
4. 4. • Put one magnet on the kitchen balance to weigh. • Approach with another magnet and look how the weight changes. • Repeat this while holding the magnet in the other direction. Operation of the experiment
5. 5. Conclusion Belgium • If the magnets attract each other, the weight of the magnet below will become less big • If the magnets repulse each other, the weight of the magnet below will rise
6. 6. Conclusion: The conclusion is that if the magnet is attracted upwards the weight reduces on the scale, while if its attracted downward the weight increase so attraction and repulsion give opposite results.
7. 7. Comparison: The results between the Belgian and Italian schools are similar the only difference is that we used different distances so we don’t have the same numbers.
8. 8. Italian’s results 0 20 40 60 80 100 120 20 30 40 mass (g) distance (mm) repulsion repulsion -100 -80 -60 -40 -20 0 20 30 40 mass (g) distance (mm) attraction attraction
9. 9. Belgian’s results
10. 10. Reflection Explanation : Attraction: The weight becomes less big because there’s magnetic force who attracts the magnet Repulsion: The weight becomes bigger because the magnetic force rebounds the magnet. Is the change in weight the same either by attraction or repulsion? No, they are opposits.
11. 11. How to transform a steel/ iron object into a magnet! Objects: a 4.5 volt battery, an iron or steel nail (5-10 cm), a piece of electrical wire (about 50 cm), paper clips, a pin, a compass ● the nail maintains a magnetization highlighted by the movement of the compass needle; ● to visualize in another way the magnetization of the nail by the electric current to bring the tip of the nail close to the pins, and to observe the attraction exerted by the nail on the pins; ● detach the connection with the battery: the pins detach immediately from the end of the nail, the magnetization of the nail decreases clearly ● Activity: • bring the nail closer to the pins and verify that it does not exert any attraction; • wrap the nail with a tight spiral of electric wire (at least twenty coils) and connect the two free ends of the wire to the two tabs of the battery; • approaching the tip of the nail to the compass: the compass needle responds in a clear way to the presence of the magnetized nail;