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< Make needle magnets >
You will need
a bar magnet
a few needles
a few items made of iron or steel
Steps
1. Hold a needle by the eye and
stroke it 30~50 times with the magnet, in same direction.
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2. Do the same with the second needle, making sure that
you use the same end of the magnet.
µÎ¹ø° ¹Ù´Ãµµ ÀüÀÇ ¹Ù´Ã°ú °°Àº±ØÀ¸·Î Çؼ ¶È°°ÀÌ ¼¼Â÷°Ô ÃÄ ÁÝ´Ï´Ù.
3. Test the needle magnets.
¹Ù´ÃÀÚ¼®À» ½ÇÇèÇغ¾´Ï´Ù.
4. Touch the eye of the needle with the point of the other.
¹Ù´Ã³¡À» ´Ù¸¥ ¹Ù´Ã ±Í¿¡´Ù °Çµå·Áº¾´Ï´Ù.
¹Ù´ÃµéÀÌ ÀÚ¼®ÀÌ µÇ¾î¼..
ÀÚ¼®ÀÌ ¾ø¾îµµ ÀÚ±âµé³¢¸®...´Ù¸¥ ±Ø(ºÎºÐ)À» °®´Ù´ë¸é ºÙÁö¿ë...¤»¤»
º°°Ç ¾Æ´ÏÁö¸¸....¿ä³ªÀÌ¿¡´Â ´Ù±×¸® ¹¹°¡ ÁÁÀºÁö...
¿À¹öÇؼ ÁÁ¾ÆÇÏ´Â ÈñÇØ!!...
5. Try to make both points close.
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±×·¡¼ ¸· ´Ù¸¥ ¹Ù´ÃÀÌ ÀúÀý·Î ¹Ð·Á°¡´Â °Í ó·³ º¸¿´¾î¿ä..
What happen?
Wow.......One pushes the other. ´Ù¸¥ °É ¹Ð´Â °Í °°¾Æ¿ä..
It looks like moving by itself. È¥ÀÚ ¿òÁ÷ÀÌ´Â°Í °°³×.....
6.To test other items.
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ÀÚ¼®ÀÌ ¾ø¾îµµ ¼·Î ºÙ´Â °É º¸¸ç...
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results
Magnetism can be passed from magnets to other magnetic matrials like needles,
so they become magnets , too.
ÀÚ·Â(ÀÚ¼º)Àº ¿Å°ÜÁú ¼ö ÀÖ¾î¼...¹Ù´Ãó·³ ÀÚ¼ºÀÌ ÀÖ´Â ´Ù¸¥¹°ÁúÀ¸·Î °¥ ¼ö ÀÖ¾î¼,
¹Ù´Ãµµ ÀÚ¼®ÀÌ µÈ°Å¾ß^^
All magnet have two ends. ( poles )
¸ðµç ÀÚ¼®Àº µÎ ³¡(±ØÀÌ ÀÖ°í)
They will pull each other, if the ends are different.
´Ù¸¥ ±Ø³¢¸®´Â ¼·Î ´ç±æ°Å°í
They will push each other, if the ends are the same.
°°Àº ±Ø³¢¸®´Â ¼·Î ¹Ð°Å¾ß.
ÀÌ·¸°Ô ÀÚ¼®¿¡ ´ëÇØ
À̸®Àú¸® ½ÇÇè°â ³îÀÌ°â Çؼ...¼ö¾÷À» Çغôµ¥...
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