Stanley demonstrates magnetism with several types of magnets
bar magnet
1. place the bar...
Stanley demonstrates magnetism with several types of magnets
bar magnet
1. place the bar magnet on a table.
2. put a sheet of glass or plastic over the magnet.
3. sprinkle the iron filings over the sheet evenly.
4. on a separate paper, sketch the magnet. show the lines made by the iron filings.
horseshoe magnet
5. place a horseshoe magnet on the table.
6. put a sheet of glass or plastic over the magnet.
7. sprinkle the iron filings over the sheet.
8. on a separate paper, sketch the magnet. show the lines made by the iron filings.
n pole to n pole
9. place two bar magnets n pole to n pole with an inch between them.
10. put a piece of glass or plastic over the magnets.
11. sprinkle the iron filings over the glass or plastic.
12. on a separate paper sketch the magnets. show the lines made by the iron filings.
n pole to s pole
13. turn one of the bar magnets around so the magnets are n pole to s pole with an inch between.
14. sprinkle the iron filings over the glass or plastic.
15. on a separate paper sketch the magnets. show the lines made by the iron filings.
from the information you have observed, determine the following:
what rule of magnetism is illustrated by the lines of the iron filings in step 12?
what rule of magnetism is illustrated by the lines of the iron filings in step 15?
why was glass or plastic used to separate the filings from the magnets in the experiments?
did the glass or plastic stop the passage of the magnetic lines of force?
did the iron filings almost or completely bridge the open end of the horseshoe magnet?
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