¹°ÀÇ Ç¥¸íÀå·ÂÀº »ó»óÀ» ÃÊ¿ùÇÕ´Ï´Ù. ±× Ç¥¸éÀå·ÂÀÇ ÀϺθ¦ ½ÇÇèÀ¸·Î º¸¾Ò½À´Ï´Ù.
Áغñ¹°: ÄÅ(ȤÀº º´) ,ä,¹°
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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~~
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