°úÇÐÀ» ¾ÆÀ̵é°ú ÇÔ²² ÀÌÇØÇÒ ¼ö ÀÖ´Â ³»¿ëÀÌ ³Ê¹« Àλó ±í³×¿ä.
¸ÞÀÏÀ» ³ª´©°í ½ÍÀºµ¥ ¸ÞÀÏ Çѹø Áֽðھî¿ä?
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kglass´ÔÀÇ ±ÛÀÔ´Ï´Ù.
> ¹°ÀÇ Ç¥¸íÀå·ÂÀº »ó»óÀ» ÃÊ¿ùÇÕ´Ï´Ù. ±× Ç¥¸éÀå·ÂÀÇ ÀϺθ¦ ½ÇÇèÀ¸·Î º¸¾Ò½À´Ï´Ù.
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> Áغñ¹°: ÄÅ(ȤÀº º´) ,ä,¹°
> °úÁ¤:
> 1. ¹°À» ÄÅ¿¡ °¡µæ ºÎÀº ÈÄ Ã¤¸¦ µ¤°í ¼Õ¹Ù´ÚÀ¸·Î ²À ´©¸¥ ÈÄ ÄÅÀ» °Å²Ù·Î ¼¼¿ó´Ï´Ù.
> 2.Á¤¸»·Î! ¹°ÀÌ ½ñ¾ÆÁöÁö ¾Ê½À´Ï´Ù.(Àúµµ À̹ø¿¡ ¾Ë¾Ò½À´Ï´Ù.)
>
> ¼ö¾Æ,Çö¿õ. Look. Here is a sieve. As you see, there are lots of holes
> let¡¯s pour water into this sieve. Can you hold water in this sieve?. Can you do that? No¡¦ we can¡¯t ,..
> water drain through holes. it is impossible to hold water.
> But in some cases, it¡¯s possible.
> Ok. I¡¯ll show you magic.
> Look at this bottle. 1st. let¡¯s fill this bottle with water.
> Put the sieve over the bottle and put your hands on it like this.
> Then, overthrow the sieve! .
> what happened? Water does not drain!
> Is the sieve stopped up? No!! cool!!
> Thanks to surface tension~~
>
> ¿ø¸®: ¹°ÀÇ Ç¥¸éÀå·Â ¶§¹®ÀÔ´Ï´Ù. ä ±×¹° ¸ÁÀÇ ±¸¸Û»çÀÌ»çÀÌ·Î '¹°ÀÇ ¸·'ÀÌ »ý°Ü¼ ¹°ÀÌ ½ñ¾ÆÁöÁö ¾Ê°í ¶Ñ²±ÀÌ¶óµµ ´ÝÇôÀÖ´Â µíÀÌ Á¤ÁöÇÏ¿© ÀÖ½À´Ï´Ù. Á¶½ÉÇÒ °ÍÀº ¾à°£¸¸ ±â¿ï¾îµµ ¹°ÀÌ ¿Í¸£¸£ ½ñ¾ÆÁø´Ù´Â °ÅÁÒ. ±×·±µ¥ ÀÌ°Ô »ý°¢Ã³·³ ½±Áö ¾Ê½À´Ï´Ù. ü¿Í º´ »çÀÌÀÇ ±ÃÇÕÀÌ ¸Â¾Æ¾ß µÇ°Åµç¿ä. ¿©·¯ ¹ø ½Ãµµ¸¦ ÇÏ´Ù°¡ Áö³¹øÀÇ ±× ºÒ°í±â ¾ç³ä º´À» ½áº¸¾Ò´õ´Ï µüÀ̾ú½À´Ï´Ù. ±×·±µ¥ Á¦°¡ ÇѰ¡Áö ½Ç¼ö¸¦ ÇßÁö¿ä. Ç¥¸íÀå·Â ¶§¹®À̶ó°í ¸»Çß´õ´Ï Á¦ µþ ÇѸ¶´Ù ÇÕ´Ï´Ù.¡± ¾î·Á¿î ¸» ¾²Áö¸¶, ¸ø ¾Ë¾Æµè°ÚÀݾÆ.¡±¡¦ ¿å½ÉºÎ¸®Áö ¾Ê±â·Î Çß½À´Ï´Ù¡¦^^
>